16531760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 44836416

約数和(自身を除く): 28304656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 557, 560, 742, 848, 1060, 1114, 1484, 1855, 2120, 2228, 2785, 2968, 3710, 3899, 4240, 4456, 5570, 5936, 7420, 7798, 8912, 11140, 14840, 15596, 19495, 22280, 29521, 29680, 31192, 38990, 44560, 59042, 62384, 77980, 118084, 147605, 155960, 206647, 236168, 295210, 311920, 413294, 472336, 590420, 826588, 1033235, 1180840, 1653176, 2066470, 2361680, 3306352, 4132940, 8265880, 16531760]

約数ペア:

[(1, 16531760), (2, 8265880), (4, 4132940), (5, 3306352), (7, 2361680), (8, 2066470), (10, 1653176), (14, 1180840), (16, 1033235), (20, 826588), (28, 590420), (35, 472336), (40, 413294), (53, 311920), (56, 295210), (70, 236168), (80, 206647), (106, 155960), (112, 147605), (140, 118084), (212, 77980), (265, 62384), (280, 59042), (371, 44560), (424, 38990), (530, 31192), (557, 29680), (560, 29521), (742, 22280), (848, 19495), (1060, 15596), (1114, 14840), (1484, 11140), (1855, 8912), (2120, 7798), (2228, 7420), (2785, 5936), (2968, 5570), (3710, 4456), (3899, 4240)]