2789466480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:640

約数の個数: 240

約数和(自身を含む): 9589207680

約数和(自身を除く): 6799741200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 101, 120, 144, 178, 180, 202, 240, 267, 303, 356, 360, 404, 431, 445, 505, 534, 606, 712, 720, 801, 808, 862, 890, 909, 1010, 1068, 1212, 1293, 1335, 1424, 1515, 1602, 1616, 1724, 1780, 1818, 2020, 2136, 2155, 2424, 2586, 2670, 3030, 3204, 3448, 3560, 3636, 3879, 4005, 4040, 4272, 4310, 4545, 4848, 5172, 5340, 6060, 6408, 6465, 6896, 7120, 7272, 7758, 8010, 8080, 8620, 8989, 9090, 10344, 10680, 12120, 12816, 12930, 14544, 15516, 16020, 17240, 17978, 18180, 19395, 20688, 21360, 24240, 25860, 26967, 31032, 32040, 34480, 35956, 36360, 38359, 38790, 43531, 44945, 51720, 53934, 62064, 64080, 71912, 72720, 76718, 77580, 80901, 87062, 89890, 103440, 107868, 115077, 130593, 134835, 143824, 153436, 155160, 161802, 174124, 179780, 191795, 215736, 217655, 230154, 261186, 269670, 306872, 310320, 323604, 345231, 348248, 359560, 383590, 391779, 404505, 431472, 435310, 460308, 522372, 539340, 575385, 613744, 647208, 652965, 690462, 696496, 719120, 767180, 783558, 809010, 870620, 920616, 1044744, 1078680, 1150770, 1294416, 1305930, 1380924, 1534360, 1567116, 1618020, 1726155, 1741240, 1841232, 1958895, 2089488, 2157360, 2301540, 2611860, 2761848, 3068720, 3134232, 3236040, 3452310, 3482480, 3874259, 3917790, 4603080, 5223720, 5523696, 6268464, 6472080, 6904620, 7748518, 7835580, 9206160, 10447440, 11622777, 13809240, 15497036, 15671160, 19371295, 23245554, 27618480, 30994072, 31342320, 34868331, 38742590, 46491108, 58113885, 61988144, 69736662, 77485180, 92982216, 116227770, 139473324, 154970360, 174341655, 185964432, 232455540, 278946648, 309940720, 348683310, 464911080, 557893296, 697366620, 929822160, 1394733240, 2789466480]

約数ペア:

[(1, 2789466480), (2, 1394733240), (3, 929822160), (4, 697366620), (5, 557893296), (6, 464911080), (8, 348683310), (9, 309940720), (10, 278946648), (12, 232455540), (15, 185964432), (16, 174341655), (18, 154970360), (20, 139473324), (24, 116227770), (30, 92982216), (36, 77485180), (40, 69736662), (45, 61988144), (48, 58113885), (60, 46491108), (72, 38742590), (80, 34868331), (89, 31342320), (90, 30994072), (101, 27618480), (120, 23245554), (144, 19371295), (178, 15671160), (180, 15497036), (202, 13809240), (240, 11622777), (267, 10447440), (303, 9206160), (356, 7835580), (360, 7748518), (404, 6904620), (431, 6472080), (445, 6268464), (505, 5523696), (534, 5223720), (606, 4603080), (712, 3917790), (720, 3874259), (801, 3482480), (808, 3452310), (862, 3236040), (890, 3134232), (909, 3068720), (1010, 2761848), (1068, 2611860), (1212, 2301540), (1293, 2157360), (1335, 2089488), (1424, 1958895), (1515, 1841232), (1602, 1741240), (1616, 1726155), (1724, 1618020), (1780, 1567116), (1818, 1534360), (2020, 1380924), (2136, 1305930), (2155, 1294416), (2424, 1150770), (2586, 1078680), (2670, 1044744), (3030, 920616), (3204, 870620), (3448, 809010), (3560, 783558), (3636, 767180), (3879, 719120), (4005, 696496), (4040, 690462), (4272, 652965), (4310, 647208), (4545, 613744), (4848, 575385), (5172, 539340), (5340, 522372), (6060, 460308), (6408, 435310), (6465, 431472), (6896, 404505), (7120, 391779), (7272, 383590), (7758, 359560), (8010, 348248), (8080, 345231), (8620, 323604), (8989, 310320), (9090, 306872), (10344, 269670), (10680, 261186), (12120, 230154), (12816, 217655), (12930, 215736), (14544, 191795), (15516, 179780), (16020, 174124), (17240, 161802), (17978, 155160), (18180, 153436), (19395, 143824), (20688, 134835), (21360, 130593), (24240, 115077), (25860, 107868), (26967, 103440), (31032, 89890), (32040, 87062), (34480, 80901), (35956, 77580), (36360, 76718), (38359, 72720), (38790, 71912), (43531, 64080), (44945, 62064), (51720, 53934)]