280148856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1423}}^1$

素因数の和:2076

約数の個数: 64

約数和(自身を含む): 755973120

約数和(自身を除く): 475824264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 631, 1262, 1423, 1893, 2524, 2846, 3786, 4269, 5048, 5692, 7572, 8203, 8538, 11384, 15144, 16406, 17076, 18499, 24609, 32812, 34152, 36998, 49218, 55497, 65624, 73996, 98436, 110994, 147992, 196872, 221988, 443976, 897913, 1795826, 2693739, 3591652, 5387478, 7183304, 10774956, 11672869, 21549912, 23345738, 35018607, 46691476, 70037214, 93382952, 140074428, 280148856]

約数ペア:

[(1, 280148856), (2, 140074428), (3, 93382952), (4, 70037214), (6, 46691476), (8, 35018607), (12, 23345738), (13, 21549912), (24, 11672869), (26, 10774956), (39, 7183304), (52, 5387478), (78, 3591652), (104, 2693739), (156, 1795826), (312, 897913), (631, 443976), (1262, 221988), (1423, 196872), (1893, 147992), (2524, 110994), (2846, 98436), (3786, 73996), (4269, 65624), (5048, 55497), (5692, 49218), (7572, 36998), (8203, 34152), (8538, 32812), (11384, 24609), (15144, 18499), (16406, 17076)]