281023680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 448

約数和(自身を含む): 1123614720

約数和(自身を除く): 842591040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 32, 35, 38, 40, 42, 48, 56, 57, 60, 62, 64, 70, 71, 76, 80, 84, 93, 95, 96, 105, 112, 114, 120, 124, 133, 140, 142, 152, 155, 160, 168, 186, 190, 192, 210, 213, 217, 224, 228, 240, 248, 266, 280, 284, 285, 304, 310, 320, 336, 355, 372, 380, 399, 420, 426, 434, 448, 456, 465, 480, 496, 497, 532, 560, 568, 570, 589, 608, 620, 651, 665, 672, 710, 744, 760, 798, 840, 852, 868, 912, 930, 960, 992, 994, 1064, 1065, 1085, 1120, 1136, 1140, 1178, 1216, 1240, 1302, 1330, 1344, 1349, 1420, 1488, 1491, 1520, 1596, 1680, 1704, 1736, 1767, 1824, 1860, 1984, 1988, 1995, 2128, 2130, 2170, 2201, 2240, 2272, 2280, 2356, 2480, 2485, 2604, 2660, 2698, 2840, 2945, 2976, 2982, 3040, 3192, 3255, 3360, 3408, 3472, 3534, 3648, 3720, 3976, 3990, 4047, 4123, 4256, 4260, 4340, 4402, 4544, 4560, 4712, 4960, 4970, 5208, 5320, 5396, 5680, 5890, 5952, 5964, 6080, 6384, 6510, 6603, 6720, 6745, 6816, 6944, 7068, 7440, 7455, 7952, 7980, 8094, 8246, 8512, 8520, 8680, 8804, 8835, 9120, 9424, 9443, 9920, 9940, 10416, 10640, 10792, 11005, 11360, 11780, 11928, 12369, 12768, 13020, 13206, 13490, 13632, 13888, 14136, 14880, 14910, 15407, 15904, 15960, 16188, 16492, 17040, 17360, 17608, 17670, 18240, 18848, 18886, 19880, 20235, 20615, 20832, 21280, 21584, 22010, 22720, 23560, 23856, 24738, 25536, 26040, 26412, 26980, 28272, 28329, 29760, 29820, 30814, 31808, 31920, 32376, 32984, 33015, 34080, 34720, 35216, 35340, 37696, 37772, 39760, 40470, 41230, 41664, 41819, 42560, 43168, 44020, 46221, 47120, 47215, 47712, 49476, 52080, 52824, 53960, 56544, 56658, 59640, 61628, 61845, 63840, 64752, 65968, 66030, 68160, 69440, 70432, 70680, 75544, 77035, 79520, 80940, 82460, 83638, 86336, 88040, 92442, 94240, 94430, 95424, 98952, 104160, 105648, 107920, 113088, 113316, 119280, 123256, 123690, 125457, 127680, 129504, 131936, 132060, 140864, 141360, 141645, 151088, 154070, 159040, 161880, 164920, 167276, 176080, 184884, 188480, 188860, 197904, 208320, 209095, 211296, 215840, 226632, 231105, 238560, 246512, 247380, 250914, 259008, 263872, 264120, 282720, 283290, 292733, 302176, 308140, 323760, 329840, 334552, 352160, 369768, 377720, 395808, 418190, 422592, 431680, 453264, 462210, 477120, 493024, 494760, 501828, 528240, 565440, 566580, 585466, 604352, 616280, 627285, 647520, 659680, 669104, 704320, 739536, 755440, 791616, 836380, 878199, 906528, 924420, 986048, 989520, 1003656, 1056480, 1133160, 1170932, 1232560, 1254570, 1295040, 1319360, 1338208, 1463665, 1479072, 1510880, 1672760, 1756398, 1813056, 1848840, 1979040, 2007312, 2112960, 2266320, 2341864, 2465120, 2509140, 2676416, 2927330, 2958144, 3021760, 3345520, 3512796, 3697680, 3958080, 4014624, 4390995, 4532640, 4683728, 4930240, 5018280, 5854660, 6691040, 7025592, 7395360, 8029248, 8781990, 9065280, 9367456, 10036560, 11709320, 13382080, 14051184, 14790720, 17563980, 18734912, 20073120, 23418640, 28102368, 35127960, 40146240, 46837280, 56204736, 70255920, 93674560, 140511840, 281023680]

約数ペア:

[(1, 281023680), (2, 140511840), (3, 93674560), (4, 70255920), (5, 56204736), (6, 46837280), (7, 40146240), (8, 35127960), (10, 28102368), (12, 23418640), (14, 20073120), (15, 18734912), (16, 17563980), (19, 14790720), (20, 14051184), (21, 13382080), (24, 11709320), (28, 10036560), (30, 9367456), (31, 9065280), (32, 8781990), (35, 8029248), (38, 7395360), (40, 7025592), (42, 6691040), (48, 5854660), (56, 5018280), (57, 4930240), (60, 4683728), (62, 4532640), (64, 4390995), (70, 4014624), (71, 3958080), (76, 3697680), (80, 3512796), (84, 3345520), (93, 3021760), (95, 2958144), (96, 2927330), (105, 2676416), (112, 2509140), (114, 2465120), (120, 2341864), (124, 2266320), (133, 2112960), (140, 2007312), (142, 1979040), (152, 1848840), (155, 1813056), (160, 1756398), (168, 1672760), (186, 1510880), (190, 1479072), (192, 1463665), (210, 1338208), (213, 1319360), (217, 1295040), (224, 1254570), (228, 1232560), (240, 1170932), (248, 1133160), (266, 1056480), (280, 1003656), (284, 989520), (285, 986048), (304, 924420), (310, 906528), (320, 878199), (336, 836380), (355, 791616), (372, 755440), (380, 739536), (399, 704320), (420, 669104), (426, 659680), (434, 647520), (448, 627285), (456, 616280), (465, 604352), (480, 585466), (496, 566580), (497, 565440), (532, 528240), (560, 501828), (568, 494760), (570, 493024), (589, 477120), (608, 462210), (620, 453264), (651, 431680), (665, 422592), (672, 418190), (710, 395808), (744, 377720), (760, 369768), (798, 352160), (840, 334552), (852, 329840), (868, 323760), (912, 308140), (930, 302176), (960, 292733), (992, 283290), (994, 282720), (1064, 264120), (1065, 263872), (1085, 259008), (1120, 250914), (1136, 247380), (1140, 246512), (1178, 238560), (1216, 231105), (1240, 226632), (1302, 215840), (1330, 211296), (1344, 209095), (1349, 208320), (1420, 197904), (1488, 188860), (1491, 188480), (1520, 184884), (1596, 176080), (1680, 167276), (1704, 164920), (1736, 161880), (1767, 159040), (1824, 154070), (1860, 151088), (1984, 141645), (1988, 141360), (1995, 140864), (2128, 132060), (2130, 131936), (2170, 129504), (2201, 127680), (2240, 125457), (2272, 123690), (2280, 123256), (2356, 119280), (2480, 113316), (2485, 113088), (2604, 107920), (2660, 105648), (2698, 104160), (2840, 98952), (2945, 95424), (2976, 94430), (2982, 94240), (3040, 92442), (3192, 88040), (3255, 86336), (3360, 83638), (3408, 82460), (3472, 80940), (3534, 79520), (3648, 77035), (3720, 75544), (3976, 70680), (3990, 70432), (4047, 69440), (4123, 68160), (4256, 66030), (4260, 65968), (4340, 64752), (4402, 63840), (4544, 61845), (4560, 61628), (4712, 59640), (4960, 56658), (4970, 56544), (5208, 53960), (5320, 52824), (5396, 52080), (5680, 49476), (5890, 47712), (5952, 47215), (5964, 47120), (6080, 46221), (6384, 44020), (6510, 43168), (6603, 42560), (6720, 41819), (6745, 41664), (6816, 41230), (6944, 40470), (7068, 39760), (7440, 37772), (7455, 37696), (7952, 35340), (7980, 35216), (8094, 34720), (8246, 34080), (8512, 33015), (8520, 32984), (8680, 32376), (8804, 31920), (8835, 31808), (9120, 30814), (9424, 29820), (9443, 29760), (9920, 28329), (9940, 28272), (10416, 26980), (10640, 26412), (10792, 26040), (11005, 25536), (11360, 24738), (11780, 23856), (11928, 23560), (12369, 22720), (12768, 22010), (13020, 21584), (13206, 21280), (13490, 20832), (13632, 20615), (13888, 20235), (14136, 19880), (14880, 18886), (14910, 18848), (15407, 18240), (15904, 17670), (15960, 17608), (16188, 17360), (16492, 17040)]