319996560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{102563}}^1$

素因数の和:102592

約数の個数: 80

約数和(自身を含む): 1068306624

約数和(自身を除く): 748310064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 102563, 205126, 307689, 410252, 512815, 615378, 820504, 1025630, 1230756, 1333319, 1538445, 1641008, 2051260, 2461512, 2666638, 3076890, 3999957, 4102520, 4923024, 5333276, 6153780, 6666595, 7999914, 8205040, 10666552, 12307560, 13333190, 15999828, 19999785, 21333104, 24615120, 26666380, 31999656, 39999570, 53332760, 63999312, 79999140, 106665520, 159998280, 319996560]

約数ペア:

[(1, 319996560), (2, 159998280), (3, 106665520), (4, 79999140), (5, 63999312), (6, 53332760), (8, 39999570), (10, 31999656), (12, 26666380), (13, 24615120), (15, 21333104), (16, 19999785), (20, 15999828), (24, 13333190), (26, 12307560), (30, 10666552), (39, 8205040), (40, 7999914), (48, 6666595), (52, 6153780), (60, 5333276), (65, 4923024), (78, 4102520), (80, 3999957), (104, 3076890), (120, 2666638), (130, 2461512), (156, 2051260), (195, 1641008), (208, 1538445), (240, 1333319), (260, 1230756), (312, 1025630), (390, 820504), (520, 615378), (624, 512815), (780, 410252), (1040, 307689), (1560, 205126), (3120, 102563)]