20911801920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{298399}}^1$

素因数の和:298492

約数の個数: 112

約数和(自身を含む): 67304716800

約数和(自身を除く): 46392914880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 146, 160, 192, 219, 240, 292, 320, 365, 438, 480, 584, 730, 876, 960, 1095, 1168, 1460, 1752, 2190, 2336, 2920, 3504, 4380, 4672, 5840, 7008, 8760, 11680, 14016, 17520, 23360, 35040, 70080, 298399, 596798, 895197, 1193596, 1491995, 1790394, 2387192, 2983990, 3580788, 4475985, 4774384, 5967980, 7161576, 8951970, 9548768, 11935960, 14323152, 17903940, 19097536, 21783127, 23871920, 28646304, 35807880, 43566254, 47743840, 57292608, 65349381, 71615760, 87132508, 95487680, 108915635, 130698762, 143231520, 174265016, 217831270, 261397524, 286463040, 326746905, 348530032, 435662540, 522795048, 653493810, 697060064, 871325080, 1045590096, 1306987620, 1394120128, 1742650160, 2091180192, 2613975240, 3485300320, 4182360384, 5227950480, 6970600640, 10455900960, 20911801920]

約数ペア:

[(1, 20911801920), (2, 10455900960), (3, 6970600640), (4, 5227950480), (5, 4182360384), (6, 3485300320), (8, 2613975240), (10, 2091180192), (12, 1742650160), (15, 1394120128), (16, 1306987620), (20, 1045590096), (24, 871325080), (30, 697060064), (32, 653493810), (40, 522795048), (48, 435662540), (60, 348530032), (64, 326746905), (73, 286463040), (80, 261397524), (96, 217831270), (120, 174265016), (146, 143231520), (160, 130698762), (192, 108915635), (219, 95487680), (240, 87132508), (292, 71615760), (320, 65349381), (365, 57292608), (438, 47743840), (480, 43566254), (584, 35807880), (730, 28646304), (876, 23871920), (960, 21783127), (1095, 19097536), (1168, 17903940), (1460, 14323152), (1752, 11935960), (2190, 9548768), (2336, 8951970), (2920, 7161576), (3504, 5967980), (4380, 4774384), (4672, 4475985), (5840, 3580788), (7008, 2983990), (8760, 2387192), (11680, 1790394), (14016, 1491995), (17520, 1193596), (23360, 895197), (35040, 596798), (70080, 298399)]