73478680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5387}}^1$

素因数の和:5440

約数の個数: 64

約数和(自身を含む): 186209280

約数和(自身を除く): 112730600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 5387, 6820, 10774, 13640, 21548, 26935, 43096, 53870, 59257, 107740, 118514, 166997, 215480, 237028, 296285, 333994, 474056, 592570, 667988, 834985, 1185140, 1335976, 1669970, 1836967, 2370280, 3339940, 3673934, 6679880, 7347868, 9184835, 14695736, 18369670, 36739340, 73478680]

約数ペア:

[(1, 73478680), (2, 36739340), (4, 18369670), (5, 14695736), (8, 9184835), (10, 7347868), (11, 6679880), (20, 3673934), (22, 3339940), (31, 2370280), (40, 1836967), (44, 1669970), (55, 1335976), (62, 1185140), (88, 834985), (110, 667988), (124, 592570), (155, 474056), (220, 333994), (248, 296285), (310, 237028), (341, 215480), (440, 166997), (620, 118514), (682, 107740), (1240, 59257), (1364, 53870), (1705, 43096), (2728, 26935), (3410, 21548), (5387, 13640), (6820, 10774)]