280740960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:402

約数の個数: 288

約数和(自身を含む): 1044126720

約数和(自身を除く): 763385760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 32, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 96, 114, 120, 124, 144, 152, 155, 160, 171, 180, 186, 190, 228, 240, 248, 279, 285, 288, 304, 310, 331, 342, 360, 372, 380, 456, 465, 480, 496, 558, 570, 589, 608, 620, 662, 684, 720, 744, 760, 855, 912, 930, 992, 993, 1116, 1140, 1178, 1240, 1324, 1368, 1395, 1440, 1488, 1520, 1655, 1710, 1767, 1824, 1860, 1986, 2232, 2280, 2356, 2480, 2648, 2736, 2790, 2945, 2976, 2979, 3040, 3310, 3420, 3534, 3720, 3972, 4464, 4560, 4712, 4960, 4965, 5296, 5301, 5472, 5580, 5890, 5958, 6289, 6620, 6840, 7068, 7440, 7944, 8835, 8928, 9120, 9424, 9930, 10261, 10592, 10602, 11160, 11780, 11916, 12578, 13240, 13680, 14136, 14880, 14895, 15888, 17670, 18848, 18867, 19860, 20522, 21204, 22320, 23560, 23832, 25156, 26480, 26505, 27360, 28272, 29790, 30783, 31445, 31776, 35340, 37734, 39720, 41044, 42408, 44640, 47120, 47664, 50312, 51305, 52960, 53010, 56544, 56601, 59580, 61566, 62890, 70680, 75468, 79440, 82088, 84816, 92349, 94240, 94335, 95328, 100624, 102610, 106020, 113202, 119160, 123132, 125780, 141360, 150936, 153915, 158880, 164176, 169632, 184698, 188670, 194959, 201248, 205220, 212040, 226404, 238320, 246264, 251560, 282720, 283005, 301872, 307830, 328352, 369396, 377340, 389918, 410440, 424080, 452808, 461745, 476640, 492528, 503120, 566010, 584877, 603744, 615660, 738792, 754680, 779836, 820880, 848160, 905616, 923490, 974795, 985056, 1006240, 1132020, 1169754, 1231320, 1477584, 1509360, 1559672, 1641760, 1754631, 1811232, 1846980, 1949590, 2264040, 2339508, 2462640, 2924385, 2955168, 3018720, 3119344, 3509262, 3693960, 3899180, 4528080, 4679016, 4925280, 5848770, 6238688, 7018524, 7387920, 7798360, 8773155, 9056160, 9358032, 11697540, 14037048, 14775840, 15596720, 17546310, 18716064, 23395080, 28074096, 31193440, 35092620, 46790160, 56148192, 70185240, 93580320, 140370480, 280740960]

約数ペア:

[(1, 280740960), (2, 140370480), (3, 93580320), (4, 70185240), (5, 56148192), (6, 46790160), (8, 35092620), (9, 31193440), (10, 28074096), (12, 23395080), (15, 18716064), (16, 17546310), (18, 15596720), (19, 14775840), (20, 14037048), (24, 11697540), (30, 9358032), (31, 9056160), (32, 8773155), (36, 7798360), (38, 7387920), (40, 7018524), (45, 6238688), (48, 5848770), (57, 4925280), (60, 4679016), (62, 4528080), (72, 3899180), (76, 3693960), (80, 3509262), (90, 3119344), (93, 3018720), (95, 2955168), (96, 2924385), (114, 2462640), (120, 2339508), (124, 2264040), (144, 1949590), (152, 1846980), (155, 1811232), (160, 1754631), (171, 1641760), (180, 1559672), (186, 1509360), (190, 1477584), (228, 1231320), (240, 1169754), (248, 1132020), (279, 1006240), (285, 985056), (288, 974795), (304, 923490), (310, 905616), (331, 848160), (342, 820880), (360, 779836), (372, 754680), (380, 738792), (456, 615660), (465, 603744), (480, 584877), (496, 566010), (558, 503120), (570, 492528), (589, 476640), (608, 461745), (620, 452808), (662, 424080), (684, 410440), (720, 389918), (744, 377340), (760, 369396), (855, 328352), (912, 307830), (930, 301872), (992, 283005), (993, 282720), (1116, 251560), (1140, 246264), (1178, 238320), (1240, 226404), (1324, 212040), (1368, 205220), (1395, 201248), (1440, 194959), (1488, 188670), (1520, 184698), (1655, 169632), (1710, 164176), (1767, 158880), (1824, 153915), (1860, 150936), (1986, 141360), (2232, 125780), (2280, 123132), (2356, 119160), (2480, 113202), (2648, 106020), (2736, 102610), (2790, 100624), (2945, 95328), (2976, 94335), (2979, 94240), (3040, 92349), (3310, 84816), (3420, 82088), (3534, 79440), (3720, 75468), (3972, 70680), (4464, 62890), (4560, 61566), (4712, 59580), (4960, 56601), (4965, 56544), (5296, 53010), (5301, 52960), (5472, 51305), (5580, 50312), (5890, 47664), (5958, 47120), (6289, 44640), (6620, 42408), (6840, 41044), (7068, 39720), (7440, 37734), (7944, 35340), (8835, 31776), (8928, 31445), (9120, 30783), (9424, 29790), (9930, 28272), (10261, 27360), (10592, 26505), (10602, 26480), (11160, 25156), (11780, 23832), (11916, 23560), (12578, 22320), (13240, 21204), (13680, 20522), (14136, 19860), (14880, 18867), (14895, 18848), (15888, 17670)]