66946840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 154884960

約数和(自身を除く): 87938120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 101, 146, 202, 227, 292, 365, 404, 454, 505, 584, 730, 808, 908, 1010, 1135, 1460, 1816, 2020, 2270, 2920, 4040, 4540, 7373, 9080, 14746, 16571, 22927, 29492, 33142, 36865, 45854, 58984, 66284, 73730, 82855, 91708, 114635, 132568, 147460, 165710, 183416, 229270, 294920, 331420, 458540, 662840, 917080, 1673671, 3347342, 6694684, 8368355, 13389368, 16736710, 33473420, 66946840]

約数ペア:

[(1, 66946840), (2, 33473420), (4, 16736710), (5, 13389368), (8, 8368355), (10, 6694684), (20, 3347342), (40, 1673671), (73, 917080), (101, 662840), (146, 458540), (202, 331420), (227, 294920), (292, 229270), (365, 183416), (404, 165710), (454, 147460), (505, 132568), (584, 114635), (730, 91708), (808, 82855), (908, 73730), (1010, 66284), (1135, 58984), (1460, 45854), (1816, 36865), (2020, 33142), (2270, 29492), (2920, 22927), (4040, 16571), (4540, 14746), (7373, 9080)]