1640120100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{176357}}^1$

素因数の和:176405

約数の個数: 72

約数和(自身を含む): 4898519808

約数和(自身を除く): 3258399708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2325, 3100, 4650, 9300, 176357, 352714, 529071, 705428, 881785, 1058142, 1763570, 2116284, 2645355, 3527140, 4408925, 5290710, 5467067, 8817850, 10581420, 10934134, 13226775, 16401201, 17635700, 21868268, 26453550, 27335335, 32802402, 52907100, 54670670, 65604804, 82006005, 109341340, 136676675, 164012010, 273353350, 328024020, 410030025, 546706700, 820060050, 1640120100]

約数ペア:

[(1, 1640120100), (2, 820060050), (3, 546706700), (4, 410030025), (5, 328024020), (6, 273353350), (10, 164012010), (12, 136676675), (15, 109341340), (20, 82006005), (25, 65604804), (30, 54670670), (31, 52907100), (50, 32802402), (60, 27335335), (62, 26453550), (75, 21868268), (93, 17635700), (100, 16401201), (124, 13226775), (150, 10934134), (155, 10581420), (186, 8817850), (300, 5467067), (310, 5290710), (372, 4408925), (465, 3527140), (620, 2645355), (775, 2116284), (930, 1763570), (1550, 1058142), (1860, 881785), (2325, 705428), (3100, 529071), (4650, 352714), (9300, 176357)]