320428260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41399}}^1$

素因数の和:41457

約数の個数: 72

約数和(自身を含む): 994593600

約数和(自身を除く): 674165340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 41399, 82798, 124197, 165596, 206995, 248394, 372591, 413990, 496788, 620985, 745182, 827980, 1241970, 1490364, 1780157, 1862955, 2483940, 3560314, 3725910, 5340471, 7120628, 7451820, 8900785, 10680942, 16021413, 17801570, 21361884, 26702355, 32042826, 35603140, 53404710, 64085652, 80107065, 106809420, 160214130, 320428260]

約数ペア:

[(1, 320428260), (2, 160214130), (3, 106809420), (4, 80107065), (5, 64085652), (6, 53404710), (9, 35603140), (10, 32042826), (12, 26702355), (15, 21361884), (18, 17801570), (20, 16021413), (30, 10680942), (36, 8900785), (43, 7451820), (45, 7120628), (60, 5340471), (86, 3725910), (90, 3560314), (129, 2483940), (172, 1862955), (180, 1780157), (215, 1490364), (258, 1241970), (387, 827980), (430, 745182), (516, 620985), (645, 496788), (774, 413990), (860, 372591), (1290, 248394), (1548, 206995), (1935, 165596), (2580, 124197), (3870, 82798), (7740, 41399)]