280020816

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1201

約数の個数: 120

約数和(自身を含む): 822197376

約数和(自身を除く): 542176560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 43, 48, 72, 82, 86, 123, 129, 144, 164, 172, 246, 258, 328, 344, 369, 387, 492, 516, 656, 688, 738, 774, 984, 1032, 1103, 1476, 1548, 1763, 1968, 2064, 2206, 2952, 3096, 3309, 3526, 4412, 5289, 5904, 6192, 6618, 7052, 8824, 9927, 10578, 13236, 14104, 15867, 17648, 19854, 21156, 26472, 28208, 31734, 39708, 42312, 45223, 47429, 52944, 63468, 79416, 84624, 90446, 94858, 126936, 135669, 142287, 158832, 180892, 189716, 253872, 271338, 284574, 361784, 379432, 407007, 426861, 542676, 569148, 723568, 758864, 814014, 853722, 1085352, 1138296, 1628028, 1707444, 1944589, 2170704, 2276592, 3256056, 3414888, 3889178, 5833767, 6512112, 6829776, 7778356, 11667534, 15556712, 17501301, 23335068, 31113424, 35002602, 46670136, 70005204, 93340272, 140010408, 280020816]

約数ペア:

[(1, 280020816), (2, 140010408), (3, 93340272), (4, 70005204), (6, 46670136), (8, 35002602), (9, 31113424), (12, 23335068), (16, 17501301), (18, 15556712), (24, 11667534), (36, 7778356), (41, 6829776), (43, 6512112), (48, 5833767), (72, 3889178), (82, 3414888), (86, 3256056), (123, 2276592), (129, 2170704), (144, 1944589), (164, 1707444), (172, 1628028), (246, 1138296), (258, 1085352), (328, 853722), (344, 814014), (369, 758864), (387, 723568), (492, 569148), (516, 542676), (656, 426861), (688, 407007), (738, 379432), (774, 361784), (984, 284574), (1032, 271338), (1103, 253872), (1476, 189716), (1548, 180892), (1763, 158832), (1968, 142287), (2064, 135669), (2206, 126936), (2952, 94858), (3096, 90446), (3309, 84624), (3526, 79416), (4412, 63468), (5289, 52944), (5904, 47429), (6192, 45223), (6618, 42312), (7052, 39708), (8824, 31734), (9927, 28208), (10578, 26472), (13236, 21156), (14104, 19854), (15867, 17648)]