82387500

素因数分解:

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

素因数の和:71

約数の個数: 144

約数和(自身を含む): 260295840

約数和(自身を除く): 177908340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 169, 195, 250, 260, 300, 325, 338, 375, 390, 500, 507, 625, 650, 676, 750, 780, 845, 975, 1014, 1250, 1300, 1500, 1625, 1690, 1875, 1950, 2028, 2197, 2500, 2535, 3125, 3250, 3380, 3750, 3900, 4225, 4394, 4875, 5070, 6250, 6500, 6591, 7500, 8125, 8450, 8788, 9375, 9750, 10140, 10985, 12500, 12675, 13182, 16250, 16900, 18750, 19500, 21125, 21970, 24375, 25350, 26364, 32500, 32955, 37500, 40625, 42250, 43940, 48750, 50700, 54925, 63375, 65910, 81250, 84500, 97500, 105625, 109850, 121875, 126750, 131820, 162500, 164775, 211250, 219700, 243750, 253500, 274625, 316875, 329550, 422500, 487500, 528125, 549250, 633750, 659100, 823875, 1056250, 1098500, 1267500, 1373125, 1584375, 1647750, 2112500, 2746250, 3168750, 3295500, 4119375, 5492500, 6337500, 6865625, 8238750, 13731250, 16477500, 20596875, 27462500, 41193750, 82387500]

約数ペア:

[(1, 82387500), (2, 41193750), (3, 27462500), (4, 20596875), (5, 16477500), (6, 13731250), (10, 8238750), (12, 6865625), (13, 6337500), (15, 5492500), (20, 4119375), (25, 3295500), (26, 3168750), (30, 2746250), (39, 2112500), (50, 1647750), (52, 1584375), (60, 1373125), (65, 1267500), (75, 1098500), (78, 1056250), (100, 823875), (125, 659100), (130, 633750), (150, 549250), (156, 528125), (169, 487500), (195, 422500), (250, 329550), (260, 316875), (300, 274625), (325, 253500), (338, 243750), (375, 219700), (390, 211250), (500, 164775), (507, 162500), (625, 131820), (650, 126750), (676, 121875), (750, 109850), (780, 105625), (845, 97500), (975, 84500), (1014, 81250), (1250, 65910), (1300, 63375), (1500, 54925), (1625, 50700), (1690, 48750), (1875, 43940), (1950, 42250), (2028, 40625), (2197, 37500), (2500, 32955), (2535, 32500), (3125, 26364), (3250, 25350), (3380, 24375), (3750, 21970), (3900, 21125), (4225, 19500), (4394, 18750), (4875, 16900), (5070, 16250), (6250, 13182), (6500, 12675), (6591, 12500), (7500, 10985), (8125, 10140), (8450, 9750), (8788, 9375)]