31144920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 97977600

約数和(自身を除く): 66832680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 59, 60, 83, 106, 118, 120, 159, 166, 177, 212, 236, 249, 265, 295, 318, 332, 354, 415, 424, 472, 498, 530, 590, 636, 664, 708, 795, 830, 885, 996, 1060, 1180, 1245, 1272, 1416, 1590, 1660, 1770, 1992, 2120, 2360, 2490, 3127, 3180, 3320, 3540, 4399, 4897, 4980, 6254, 6360, 7080, 8798, 9381, 9794, 9960, 12508, 13197, 14691, 15635, 17596, 18762, 19588, 21995, 24485, 25016, 26394, 29382, 31270, 35192, 37524, 39176, 43990, 46905, 48970, 52788, 58764, 62540, 65985, 73455, 75048, 87980, 93810, 97940, 105576, 117528, 125080, 131970, 146910, 175960, 187620, 195880, 259541, 263940, 293820, 375240, 519082, 527880, 587640, 778623, 1038164, 1297705, 1557246, 2076328, 2595410, 3114492, 3893115, 5190820, 6228984, 7786230, 10381640, 15572460, 31144920]

約数ペア:

[(1, 31144920), (2, 15572460), (3, 10381640), (4, 7786230), (5, 6228984), (6, 5190820), (8, 3893115), (10, 3114492), (12, 2595410), (15, 2076328), (20, 1557246), (24, 1297705), (30, 1038164), (40, 778623), (53, 587640), (59, 527880), (60, 519082), (83, 375240), (106, 293820), (118, 263940), (120, 259541), (159, 195880), (166, 187620), (177, 175960), (212, 146910), (236, 131970), (249, 125080), (265, 117528), (295, 105576), (318, 97940), (332, 93810), (354, 87980), (415, 75048), (424, 73455), (472, 65985), (498, 62540), (530, 58764), (590, 52788), (636, 48970), (664, 46905), (708, 43990), (795, 39176), (830, 37524), (885, 35192), (996, 31270), (1060, 29382), (1180, 26394), (1245, 25016), (1272, 24485), (1416, 21995), (1590, 19588), (1660, 18762), (1770, 17596), (1992, 15635), (2120, 14691), (2360, 13197), (2490, 12508), (3127, 9960), (3180, 9794), (3320, 9381), (3540, 8798), (4399, 7080), (4897, 6360), (4980, 6254)]