15691000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 42456960

約数和(自身を除く): 26765960

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 71, 85, 100, 104, 125, 130, 136, 142, 170, 200, 221, 250, 260, 284, 325, 340, 355, 425, 442, 500, 520, 568, 650, 680, 710, 850, 884, 923, 1000, 1105, 1207, 1300, 1420, 1625, 1700, 1768, 1775, 1846, 2125, 2210, 2414, 2600, 2840, 3250, 3400, 3550, 3692, 4250, 4420, 4615, 4828, 5525, 6035, 6500, 7100, 7384, 8500, 8840, 8875, 9230, 9656, 11050, 12070, 13000, 14200, 15691, 17000, 17750, 18460, 22100, 23075, 24140, 27625, 30175, 31382, 35500, 36920, 44200, 46150, 48280, 55250, 60350, 62764, 71000, 78455, 92300, 110500, 115375, 120700, 125528, 150875, 156910, 184600, 221000, 230750, 241400, 301750, 313820, 392275, 461500, 603500, 627640, 784550, 923000, 1207000, 1569100, 1961375, 3138200, 3922750, 7845500, 15691000]

約数ペア:

[(1, 15691000), (2, 7845500), (4, 3922750), (5, 3138200), (8, 1961375), (10, 1569100), (13, 1207000), (17, 923000), (20, 784550), (25, 627640), (26, 603500), (34, 461500), (40, 392275), (50, 313820), (52, 301750), (65, 241400), (68, 230750), (71, 221000), (85, 184600), (100, 156910), (104, 150875), (125, 125528), (130, 120700), (136, 115375), (142, 110500), (170, 92300), (200, 78455), (221, 71000), (250, 62764), (260, 60350), (284, 55250), (325, 48280), (340, 46150), (355, 44200), (425, 36920), (442, 35500), (500, 31382), (520, 30175), (568, 27625), (650, 24140), (680, 23075), (710, 22100), (850, 18460), (884, 17750), (923, 17000), (1000, 15691), (1105, 14200), (1207, 13000), (1300, 12070), (1420, 11050), (1625, 9656), (1700, 9230), (1768, 8875), (1775, 8840), (1846, 8500), (2125, 7384), (2210, 7100), (2414, 6500), (2600, 6035), (2840, 5525), (3250, 4828), (3400, 4615), (3550, 4420), (3692, 4250)]