621036720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:665

約数の個数: 200

約数和(自身を含む): 2171378880

約数和(自身を除く): 1550342160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 239, 240, 270, 324, 360, 401, 405, 432, 478, 540, 648, 717, 720, 802, 810, 956, 1080, 1195, 1203, 1296, 1434, 1604, 1620, 1912, 2005, 2151, 2160, 2390, 2406, 2868, 3208, 3240, 3585, 3609, 3824, 4010, 4302, 4780, 4812, 5736, 6015, 6416, 6453, 6480, 7170, 7218, 8020, 8604, 9560, 9624, 10755, 10827, 11472, 12030, 12906, 14340, 14436, 16040, 17208, 18045, 19120, 19248, 19359, 21510, 21654, 24060, 25812, 28680, 28872, 32080, 32265, 32481, 34416, 36090, 38718, 43020, 43308, 48120, 51624, 54135, 57360, 57744, 64530, 64962, 72180, 77436, 86040, 86616, 95839, 96240, 96795, 103248, 108270, 129060, 129924, 144360, 154872, 162405, 172080, 173232, 191678, 193590, 216540, 258120, 259848, 287517, 288720, 309744, 324810, 383356, 387180, 433080, 479195, 516240, 519696, 575034, 649620, 766712, 774360, 862551, 866160, 958390, 1150068, 1299240, 1437585, 1533424, 1548720, 1725102, 1916780, 2300136, 2587653, 2598480, 2875170, 3450204, 3833560, 4312755, 4600272, 5175306, 5750340, 6900408, 7667120, 7762959, 8625510, 10350612, 11500680, 12938265, 13800816, 15525918, 17251020, 20701224, 23001360, 25876530, 31051836, 34502040, 38814795, 41402448, 51753060, 62103672, 69004080, 77629590, 103506120, 124207344, 155259180, 207012240, 310518360, 621036720]

約数ペア:

[(1, 621036720), (2, 310518360), (3, 207012240), (4, 155259180), (5, 124207344), (6, 103506120), (8, 77629590), (9, 69004080), (10, 62103672), (12, 51753060), (15, 41402448), (16, 38814795), (18, 34502040), (20, 31051836), (24, 25876530), (27, 23001360), (30, 20701224), (36, 17251020), (40, 15525918), (45, 13800816), (48, 12938265), (54, 11500680), (60, 10350612), (72, 8625510), (80, 7762959), (81, 7667120), (90, 6900408), (108, 5750340), (120, 5175306), (135, 4600272), (144, 4312755), (162, 3833560), (180, 3450204), (216, 2875170), (239, 2598480), (240, 2587653), (270, 2300136), (324, 1916780), (360, 1725102), (401, 1548720), (405, 1533424), (432, 1437585), (478, 1299240), (540, 1150068), (648, 958390), (717, 866160), (720, 862551), (802, 774360), (810, 766712), (956, 649620), (1080, 575034), (1195, 519696), (1203, 516240), (1296, 479195), (1434, 433080), (1604, 387180), (1620, 383356), (1912, 324810), (2005, 309744), (2151, 288720), (2160, 287517), (2390, 259848), (2406, 258120), (2868, 216540), (3208, 193590), (3240, 191678), (3585, 173232), (3609, 172080), (3824, 162405), (4010, 154872), (4302, 144360), (4780, 129924), (4812, 129060), (5736, 108270), (6015, 103248), (6416, 96795), (6453, 96240), (6480, 95839), (7170, 86616), (7218, 86040), (8020, 77436), (8604, 72180), (9560, 64962), (9624, 64530), (10755, 57744), (10827, 57360), (11472, 54135), (12030, 51624), (12906, 48120), (14340, 43308), (14436, 43020), (16040, 38718), (17208, 36090), (18045, 34416), (19120, 32481), (19248, 32265), (19359, 32080), (21510, 28872), (21654, 28680), (24060, 25812)]