72506840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2039}}^1$

素因数の和:2184

約数の個数: 64

約数和(自身を含む): 188006400

約数和(自身を除く): 115499560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2039, 2540, 3556, 4078, 4445, 5080, 7112, 8156, 8890, 10195, 14273, 16312, 17780, 20390, 28546, 35560, 40780, 57092, 71365, 81560, 114184, 142730, 258953, 285460, 517906, 570920, 1035812, 1294765, 1812671, 2071624, 2589530, 3625342, 5179060, 7250684, 9063355, 10358120, 14501368, 18126710, 36253420, 72506840]

約数ペア:

[(1, 72506840), (2, 36253420), (4, 18126710), (5, 14501368), (7, 10358120), (8, 9063355), (10, 7250684), (14, 5179060), (20, 3625342), (28, 2589530), (35, 2071624), (40, 1812671), (56, 1294765), (70, 1035812), (127, 570920), (140, 517906), (254, 285460), (280, 258953), (508, 142730), (635, 114184), (889, 81560), (1016, 71365), (1270, 57092), (1778, 40780), (2039, 35560), (2540, 28546), (3556, 20390), (4078, 17780), (4445, 16312), (5080, 14273), (7112, 10195), (8156, 8890)]