81348960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 384

約数和(自身を含む): 334430208

約数和(自身を除く): 253081248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 31, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 62, 66, 70, 71, 77, 80, 84, 88, 93, 96, 105, 110, 112, 120, 124, 132, 140, 142, 154, 155, 160, 165, 168, 176, 186, 210, 213, 217, 220, 224, 231, 240, 248, 264, 280, 284, 308, 310, 330, 336, 341, 352, 355, 372, 385, 420, 426, 434, 440, 462, 465, 480, 496, 497, 528, 560, 568, 616, 620, 651, 660, 672, 682, 710, 744, 770, 781, 840, 852, 868, 880, 924, 930, 992, 994, 1023, 1056, 1065, 1085, 1120, 1136, 1155, 1232, 1240, 1302, 1320, 1364, 1420, 1488, 1491, 1540, 1562, 1680, 1704, 1705, 1736, 1760, 1848, 1860, 1988, 2046, 2130, 2170, 2201, 2272, 2310, 2343, 2387, 2464, 2480, 2485, 2604, 2640, 2728, 2840, 2976, 2982, 3080, 3124, 3255, 3360, 3408, 3410, 3472, 3696, 3720, 3905, 3976, 4092, 4260, 4340, 4402, 4620, 4686, 4774, 4960, 4970, 5115, 5208, 5280, 5456, 5467, 5680, 5964, 6160, 6248, 6510, 6603, 6816, 6820, 6944, 7161, 7392, 7440, 7455, 7810, 7952, 8184, 8520, 8680, 8804, 9240, 9372, 9548, 9940, 10230, 10416, 10912, 10934, 11005, 11360, 11715, 11928, 11935, 12320, 12496, 13020, 13206, 13640, 14322, 14880, 14910, 15407, 15620, 15904, 16368, 16401, 17040, 17360, 17608, 18480, 18744, 19096, 19880, 20460, 20832, 21868, 22010, 23430, 23856, 23870, 24211, 24992, 26040, 26412, 27280, 27335, 28644, 29820, 30814, 31240, 32736, 32802, 33015, 34080, 34720, 35216, 35805, 36960, 37488, 38192, 39760, 40920, 43736, 44020, 46221, 46860, 47712, 47740, 48422, 52080, 52824, 54560, 54670, 57288, 59640, 61628, 62480, 65604, 66030, 70432, 71610, 72633, 74976, 76384, 77035, 79520, 81840, 82005, 87472, 88040, 92442, 93720, 95480, 96844, 104160, 105648, 109340, 114576, 119280, 121055, 123256, 124960, 131208, 132060, 143220, 145266, 154070, 163680, 164010, 169477, 174944, 176080, 184884, 187440, 190960, 193688, 211296, 218680, 229152, 231105, 238560, 242110, 246512, 262416, 264120, 286440, 290532, 308140, 328020, 338954, 352160, 363165, 369768, 374880, 381920, 387376, 437360, 462210, 484220, 493024, 508431, 524832, 528240, 572880, 581064, 616280, 656040, 677908, 726330, 739536, 774752, 847385, 874720, 924420, 968440, 1016862, 1056480, 1145760, 1162128, 1232560, 1312080, 1355816, 1452660, 1479072, 1694770, 1848840, 1936880, 2033724, 2324256, 2465120, 2542155, 2624160, 2711632, 2905320, 3389540, 3697680, 3873760, 4067448, 5084310, 5423264, 5810640, 6779080, 7395360, 8134896, 10168620, 11621280, 13558160, 16269792, 20337240, 27116320, 40674480, 81348960]

約数ペア:

[(1, 81348960), (2, 40674480), (3, 27116320), (4, 20337240), (5, 16269792), (6, 13558160), (7, 11621280), (8, 10168620), (10, 8134896), (11, 7395360), (12, 6779080), (14, 5810640), (15, 5423264), (16, 5084310), (20, 4067448), (21, 3873760), (22, 3697680), (24, 3389540), (28, 2905320), (30, 2711632), (31, 2624160), (32, 2542155), (33, 2465120), (35, 2324256), (40, 2033724), (42, 1936880), (44, 1848840), (48, 1694770), (55, 1479072), (56, 1452660), (60, 1355816), (62, 1312080), (66, 1232560), (70, 1162128), (71, 1145760), (77, 1056480), (80, 1016862), (84, 968440), (88, 924420), (93, 874720), (96, 847385), (105, 774752), (110, 739536), (112, 726330), (120, 677908), (124, 656040), (132, 616280), (140, 581064), (142, 572880), (154, 528240), (155, 524832), (160, 508431), (165, 493024), (168, 484220), (176, 462210), (186, 437360), (210, 387376), (213, 381920), (217, 374880), (220, 369768), (224, 363165), (231, 352160), (240, 338954), (248, 328020), (264, 308140), (280, 290532), (284, 286440), (308, 264120), (310, 262416), (330, 246512), (336, 242110), (341, 238560), (352, 231105), (355, 229152), (372, 218680), (385, 211296), (420, 193688), (426, 190960), (434, 187440), (440, 184884), (462, 176080), (465, 174944), (480, 169477), (496, 164010), (497, 163680), (528, 154070), (560, 145266), (568, 143220), (616, 132060), (620, 131208), (651, 124960), (660, 123256), (672, 121055), (682, 119280), (710, 114576), (744, 109340), (770, 105648), (781, 104160), (840, 96844), (852, 95480), (868, 93720), (880, 92442), (924, 88040), (930, 87472), (992, 82005), (994, 81840), (1023, 79520), (1056, 77035), (1065, 76384), (1085, 74976), (1120, 72633), (1136, 71610), (1155, 70432), (1232, 66030), (1240, 65604), (1302, 62480), (1320, 61628), (1364, 59640), (1420, 57288), (1488, 54670), (1491, 54560), (1540, 52824), (1562, 52080), (1680, 48422), (1704, 47740), (1705, 47712), (1736, 46860), (1760, 46221), (1848, 44020), (1860, 43736), (1988, 40920), (2046, 39760), (2130, 38192), (2170, 37488), (2201, 36960), (2272, 35805), (2310, 35216), (2343, 34720), (2387, 34080), (2464, 33015), (2480, 32802), (2485, 32736), (2604, 31240), (2640, 30814), (2728, 29820), (2840, 28644), (2976, 27335), (2982, 27280), (3080, 26412), (3124, 26040), (3255, 24992), (3360, 24211), (3408, 23870), (3410, 23856), (3472, 23430), (3696, 22010), (3720, 21868), (3905, 20832), (3976, 20460), (4092, 19880), (4260, 19096), (4340, 18744), (4402, 18480), (4620, 17608), (4686, 17360), (4774, 17040), (4960, 16401), (4970, 16368), (5115, 15904), (5208, 15620), (5280, 15407), (5456, 14910), (5467, 14880), (5680, 14322), (5964, 13640), (6160, 13206), (6248, 13020), (6510, 12496), (6603, 12320), (6816, 11935), (6820, 11928), (6944, 11715), (7161, 11360), (7392, 11005), (7440, 10934), (7455, 10912), (7810, 10416), (7952, 10230), (8184, 9940), (8520, 9548), (8680, 9372), (8804, 9240)]