66701320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1129}}^1$

素因数の和:1358

約数の個数: 64

約数和(自身を含む): 172483200

約数和(自身を除く): 105781880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1129, 1477, 1688, 2110, 2258, 2954, 4220, 4516, 5645, 5908, 7385, 7903, 8440, 9032, 11290, 11816, 14770, 15806, 22580, 29540, 31612, 39515, 45160, 59080, 63224, 79030, 158060, 238219, 316120, 476438, 952876, 1191095, 1667533, 1905752, 2382190, 3335066, 4764380, 6670132, 8337665, 9528760, 13340264, 16675330, 33350660, 66701320]

約数ペア:

[(1, 66701320), (2, 33350660), (4, 16675330), (5, 13340264), (7, 9528760), (8, 8337665), (10, 6670132), (14, 4764380), (20, 3335066), (28, 2382190), (35, 1905752), (40, 1667533), (56, 1191095), (70, 952876), (140, 476438), (211, 316120), (280, 238219), (422, 158060), (844, 79030), (1055, 63224), (1129, 59080), (1477, 45160), (1688, 39515), (2110, 31612), (2258, 29540), (2954, 22580), (4220, 15806), (4516, 14770), (5645, 11816), (5908, 11290), (7385, 9032), (7903, 8440)]