68807520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:765

約数の個数: 144

約数和(自身を含む): 238466592

約数和(自身を除く): 169659072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 673, 710, 720, 852, 1065, 1136, 1278, 1346, 1420, 1440, 1704, 2019, 2130, 2272, 2556, 2692, 2840, 3195, 3365, 3408, 4038, 4260, 5112, 5384, 5680, 6057, 6390, 6730, 6816, 8076, 8520, 10095, 10224, 10768, 11360, 12114, 12780, 13460, 16152, 17040, 20190, 20448, 21536, 24228, 25560, 26920, 30285, 32304, 34080, 40380, 47783, 48456, 51120, 53840, 60570, 64608, 80760, 95566, 96912, 102240, 107680, 121140, 143349, 161520, 191132, 193824, 238915, 242280, 286698, 323040, 382264, 430047, 477830, 484560, 573396, 716745, 764528, 860094, 955660, 969120, 1146792, 1433490, 1529056, 1720188, 1911320, 2150235, 2293584, 2866980, 3440376, 3822640, 4300470, 4587168, 5733960, 6880752, 7645280, 8600940, 11467920, 13761504, 17201880, 22935840, 34403760, 68807520]

約数ペア:

[(1, 68807520), (2, 34403760), (3, 22935840), (4, 17201880), (5, 13761504), (6, 11467920), (8, 8600940), (9, 7645280), (10, 6880752), (12, 5733960), (15, 4587168), (16, 4300470), (18, 3822640), (20, 3440376), (24, 2866980), (30, 2293584), (32, 2150235), (36, 1911320), (40, 1720188), (45, 1529056), (48, 1433490), (60, 1146792), (71, 969120), (72, 955660), (80, 860094), (90, 764528), (96, 716745), (120, 573396), (142, 484560), (144, 477830), (160, 430047), (180, 382264), (213, 323040), (240, 286698), (284, 242280), (288, 238915), (355, 193824), (360, 191132), (426, 161520), (480, 143349), (568, 121140), (639, 107680), (673, 102240), (710, 96912), (720, 95566), (852, 80760), (1065, 64608), (1136, 60570), (1278, 53840), (1346, 51120), (1420, 48456), (1440, 47783), (1704, 40380), (2019, 34080), (2130, 32304), (2272, 30285), (2556, 26920), (2692, 25560), (2840, 24228), (3195, 21536), (3365, 20448), (3408, 20190), (4038, 17040), (4260, 16152), (5112, 13460), (5384, 12780), (5680, 12114), (6057, 11360), (6390, 10768), (6730, 10224), (6816, 10095), (8076, 8520)]