19880160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:600

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 43623840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 83, 96, 120, 160, 166, 240, 249, 332, 415, 480, 498, 499, 664, 830, 996, 998, 1245, 1328, 1497, 1660, 1992, 1996, 2490, 2495, 2656, 2994, 3320, 3984, 3992, 4980, 4990, 5988, 6640, 7485, 7968, 7984, 9960, 9980, 11976, 13280, 14970, 15968, 19920, 19960, 23952, 29940, 39840, 39920, 41417, 47904, 59880, 79840, 82834, 119760, 124251, 165668, 207085, 239520, 248502, 331336, 414170, 497004, 621255, 662672, 828340, 994008, 1242510, 1325344, 1656680, 1988016, 2485020, 3313360, 3976032, 4970040, 6626720, 9940080, 19880160]

約数ペア:

[(1, 19880160), (2, 9940080), (3, 6626720), (4, 4970040), (5, 3976032), (6, 3313360), (8, 2485020), (10, 1988016), (12, 1656680), (15, 1325344), (16, 1242510), (20, 994008), (24, 828340), (30, 662672), (32, 621255), (40, 497004), (48, 414170), (60, 331336), (80, 248502), (83, 239520), (96, 207085), (120, 165668), (160, 124251), (166, 119760), (240, 82834), (249, 79840), (332, 59880), (415, 47904), (480, 41417), (498, 39920), (499, 39840), (664, 29940), (830, 23952), (996, 19960), (998, 19920), (1245, 15968), (1328, 14970), (1497, 13280), (1660, 11976), (1992, 9980), (1996, 9960), (2490, 7984), (2495, 7968), (2656, 7485), (2994, 6640), (3320, 5988), (3984, 4990), (3992, 4980)]