28591560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1847}}^1$

素因数の和:1907

約数の個数: 96

約数和(自身を含む): 95135040

約数和(自身を除く): 66543480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1847, 1935, 2580, 3096, 3694, 3870, 5160, 5541, 7388, 7740, 9235, 11082, 14776, 15480, 16623, 18470, 22164, 27705, 33246, 36940, 44328, 55410, 66492, 73880, 79421, 83115, 110820, 132984, 158842, 166230, 221640, 238263, 317684, 332460, 397105, 476526, 635368, 664920, 714789, 794210, 953052, 1191315, 1429578, 1588420, 1906104, 2382630, 2859156, 3176840, 3573945, 4765260, 5718312, 7147890, 9530520, 14295780, 28591560]

約数ペア:

[(1, 28591560), (2, 14295780), (3, 9530520), (4, 7147890), (5, 5718312), (6, 4765260), (8, 3573945), (9, 3176840), (10, 2859156), (12, 2382630), (15, 1906104), (18, 1588420), (20, 1429578), (24, 1191315), (30, 953052), (36, 794210), (40, 714789), (43, 664920), (45, 635368), (60, 476526), (72, 397105), (86, 332460), (90, 317684), (120, 238263), (129, 221640), (172, 166230), (180, 158842), (215, 132984), (258, 110820), (344, 83115), (360, 79421), (387, 73880), (430, 66492), (516, 55410), (645, 44328), (774, 36940), (860, 33246), (1032, 27705), (1290, 22164), (1548, 18470), (1720, 16623), (1847, 15480), (1935, 14776), (2580, 11082), (3096, 9235), (3694, 7740), (3870, 7388), (5160, 5541)]