661814880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:589

約数の個数: 192

約数和(自身を含む): 2195278848

約数和(自身を除く): 1533463968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 151, 160, 184, 230, 240, 276, 302, 345, 368, 397, 453, 460, 480, 552, 604, 690, 736, 755, 794, 906, 920, 1104, 1191, 1208, 1380, 1510, 1588, 1812, 1840, 1985, 2208, 2265, 2382, 2416, 2760, 3020, 3176, 3473, 3624, 3680, 3970, 4530, 4764, 4832, 5520, 5955, 6040, 6352, 6946, 7248, 7940, 9060, 9131, 9528, 10419, 11040, 11910, 12080, 12704, 13892, 14496, 15880, 17365, 18120, 18262, 19056, 20838, 23820, 24160, 27393, 27784, 31760, 34730, 36240, 36524, 38112, 41676, 45655, 47640, 52095, 54786, 55568, 59947, 63520, 69460, 72480, 73048, 83352, 91310, 95280, 104190, 109572, 111136, 119894, 136965, 138920, 146096, 166704, 179841, 182620, 190560, 208380, 219144, 239788, 273930, 277840, 292192, 299735, 333408, 359682, 365240, 416760, 438288, 479576, 547860, 555680, 599470, 719364, 730480, 833520, 876576, 899205, 959152, 1095720, 1198940, 1378781, 1438728, 1460960, 1667040, 1798410, 1918304, 2191440, 2397880, 2757562, 2877456, 3596820, 4136343, 4382880, 4795760, 5515124, 5754912, 6893905, 7193640, 8272686, 9591520, 11030248, 13787810, 14387280, 16545372, 20681715, 22060496, 27575620, 28774560, 33090744, 41363430, 44120992, 55151240, 66181488, 82726860, 110302480, 132362976, 165453720, 220604960, 330907440, 661814880]

約数ペア:

[(1, 661814880), (2, 330907440), (3, 220604960), (4, 165453720), (5, 132362976), (6, 110302480), (8, 82726860), (10, 66181488), (12, 55151240), (15, 44120992), (16, 41363430), (20, 33090744), (23, 28774560), (24, 27575620), (30, 22060496), (32, 20681715), (40, 16545372), (46, 14387280), (48, 13787810), (60, 11030248), (69, 9591520), (80, 8272686), (92, 7193640), (96, 6893905), (115, 5754912), (120, 5515124), (138, 4795760), (151, 4382880), (160, 4136343), (184, 3596820), (230, 2877456), (240, 2757562), (276, 2397880), (302, 2191440), (345, 1918304), (368, 1798410), (397, 1667040), (453, 1460960), (460, 1438728), (480, 1378781), (552, 1198940), (604, 1095720), (690, 959152), (736, 899205), (755, 876576), (794, 833520), (906, 730480), (920, 719364), (1104, 599470), (1191, 555680), (1208, 547860), (1380, 479576), (1510, 438288), (1588, 416760), (1812, 365240), (1840, 359682), (1985, 333408), (2208, 299735), (2265, 292192), (2382, 277840), (2416, 273930), (2760, 239788), (3020, 219144), (3176, 208380), (3473, 190560), (3624, 182620), (3680, 179841), (3970, 166704), (4530, 146096), (4764, 138920), (4832, 136965), (5520, 119894), (5955, 111136), (6040, 109572), (6352, 104190), (6946, 95280), (7248, 91310), (7940, 83352), (9060, 73048), (9131, 72480), (9528, 69460), (10419, 63520), (11040, 59947), (11910, 55568), (12080, 54786), (12704, 52095), (13892, 47640), (14496, 45655), (15880, 41676), (17365, 38112), (18120, 36524), (18262, 36240), (19056, 34730), (20838, 31760), (23820, 27784), (24160, 27393)]