648385480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{13633}}^1$

素因数の和:13714

約数の個数: 64

約数和(自身を含む): 1546095600

約数和(自身を除く): 897710120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1160, 1189, 1640, 2378, 4756, 5945, 9512, 11890, 13633, 23780, 27266, 47560, 54532, 68165, 109064, 136330, 272660, 395357, 545320, 558953, 790714, 1117906, 1581428, 1976785, 2235812, 2794765, 3162856, 3953570, 4471624, 5589530, 7907140, 11179060, 15814280, 16209637, 22358120, 32419274, 64838548, 81048185, 129677096, 162096370, 324192740, 648385480]

約数ペア:

[(1, 648385480), (2, 324192740), (4, 162096370), (5, 129677096), (8, 81048185), (10, 64838548), (20, 32419274), (29, 22358120), (40, 16209637), (41, 15814280), (58, 11179060), (82, 7907140), (116, 5589530), (145, 4471624), (164, 3953570), (205, 3162856), (232, 2794765), (290, 2235812), (328, 1976785), (410, 1581428), (580, 1117906), (820, 790714), (1160, 558953), (1189, 545320), (1640, 395357), (2378, 272660), (4756, 136330), (5945, 109064), (9512, 68165), (11890, 54532), (13633, 47560), (23780, 27266)]