165687560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3259}}^1$

素因数の和:3342

約数の個数: 64

約数和(自身を含む): 394329600

約数和(自身を除く): 228642040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 3259, 5084, 6355, 6518, 10168, 12710, 13036, 16295, 25420, 26072, 32590, 50840, 65180, 101029, 130360, 133619, 202058, 267238, 404116, 505145, 534476, 668095, 808232, 1010290, 1068952, 1336190, 2020580, 2672380, 4041160, 4142189, 5344760, 8284378, 16568756, 20710945, 33137512, 41421890, 82843780, 165687560]

約数ペア:

[(1, 165687560), (2, 82843780), (4, 41421890), (5, 33137512), (8, 20710945), (10, 16568756), (20, 8284378), (31, 5344760), (40, 4142189), (41, 4041160), (62, 2672380), (82, 2020580), (124, 1336190), (155, 1068952), (164, 1010290), (205, 808232), (248, 668095), (310, 534476), (328, 505145), (410, 404116), (620, 267238), (820, 202058), (1240, 133619), (1271, 130360), (1640, 101029), (2542, 65180), (3259, 50840), (5084, 32590), (6355, 26072), (6518, 25420), (10168, 16295), (12710, 13036)]