15871920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1613}}^1$

素因数の和:1670

約数の個数: 80

約数和(自身を含む): 50434272

約数和(自身を除く): 34562352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1613, 1640, 1968, 2460, 3226, 3280, 4839, 4920, 6452, 8065, 9678, 9840, 12904, 16130, 19356, 24195, 25808, 32260, 38712, 48390, 64520, 66133, 77424, 96780, 129040, 132266, 193560, 198399, 264532, 330665, 387120, 396798, 529064, 661330, 793596, 991995, 1058128, 1322660, 1587192, 1983990, 2645320, 3174384, 3967980, 5290640, 7935960, 15871920]

約数ペア:

[(1, 15871920), (2, 7935960), (3, 5290640), (4, 3967980), (5, 3174384), (6, 2645320), (8, 1983990), (10, 1587192), (12, 1322660), (15, 1058128), (16, 991995), (20, 793596), (24, 661330), (30, 529064), (40, 396798), (41, 387120), (48, 330665), (60, 264532), (80, 198399), (82, 193560), (120, 132266), (123, 129040), (164, 96780), (205, 77424), (240, 66133), (246, 64520), (328, 48390), (410, 38712), (492, 32260), (615, 25808), (656, 24195), (820, 19356), (984, 16130), (1230, 12904), (1613, 9840), (1640, 9678), (1968, 8065), (2460, 6452), (3226, 4920), (3280, 4839)]