840439760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{2999}}^1$

素因数の和:3156

約数の個数: 80

約数和(自身を含む): 2035584000

約数和(自身を除く): 1195144240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 113, 124, 155, 226, 248, 310, 452, 496, 565, 620, 904, 1130, 1240, 1808, 2260, 2480, 2999, 3503, 4520, 5998, 7006, 9040, 11996, 14012, 14995, 17515, 23992, 28024, 29990, 35030, 47984, 56048, 59980, 70060, 92969, 119960, 140120, 185938, 239920, 280240, 338887, 371876, 464845, 677774, 743752, 929690, 1355548, 1487504, 1694435, 1859380, 2711096, 3388870, 3718760, 5422192, 6777740, 7437520, 10505497, 13555480, 21010994, 27110960, 42021988, 52527485, 84043976, 105054970, 168087952, 210109940, 420219880, 840439760]

約数ペア:

[(1, 840439760), (2, 420219880), (4, 210109940), (5, 168087952), (8, 105054970), (10, 84043976), (16, 52527485), (20, 42021988), (31, 27110960), (40, 21010994), (62, 13555480), (80, 10505497), (113, 7437520), (124, 6777740), (155, 5422192), (226, 3718760), (248, 3388870), (310, 2711096), (452, 1859380), (496, 1694435), (565, 1487504), (620, 1355548), (904, 929690), (1130, 743752), (1240, 677774), (1808, 464845), (2260, 371876), (2480, 338887), (2999, 280240), (3503, 239920), (4520, 185938), (5998, 140120), (7006, 119960), (9040, 92969), (11996, 70060), (14012, 59980), (14995, 56048), (17515, 47984), (23992, 35030), (28024, 29990)]