128407500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:482

約数の個数: 180

約数和(自身を含む): 437797360

約数和(自身を除く): 309389860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 125, 130, 150, 156, 180, 195, 225, 234, 250, 260, 300, 325, 375, 390, 439, 450, 468, 500, 585, 625, 650, 750, 780, 878, 900, 975, 1125, 1170, 1250, 1300, 1317, 1500, 1625, 1756, 1875, 1950, 2195, 2250, 2340, 2500, 2634, 2925, 3250, 3750, 3900, 3951, 4390, 4500, 4875, 5268, 5625, 5707, 5850, 6500, 6585, 7500, 7902, 8125, 8780, 9750, 10975, 11250, 11414, 11700, 13170, 14625, 15804, 16250, 17121, 19500, 19755, 21950, 22500, 22828, 24375, 26340, 28535, 29250, 32500, 32925, 34242, 39510, 43900, 48750, 51363, 54875, 57070, 58500, 65850, 68484, 73125, 79020, 85605, 97500, 98775, 102726, 109750, 114140, 131700, 142675, 146250, 164625, 171210, 197550, 205452, 219500, 256815, 274375, 285350, 292500, 329250, 342420, 395100, 428025, 493875, 513630, 548750, 570700, 658500, 713375, 823125, 856050, 987750, 1027260, 1097500, 1284075, 1426750, 1646250, 1712100, 1975500, 2140125, 2469375, 2568150, 2853500, 3292500, 3566875, 4280250, 4938750, 5136300, 6420375, 7133750, 8560500, 9877500, 10700625, 12840750, 14267500, 21401250, 25681500, 32101875, 42802500, 64203750, 128407500]

約数ペア:

[(1, 128407500), (2, 64203750), (3, 42802500), (4, 32101875), (5, 25681500), (6, 21401250), (9, 14267500), (10, 12840750), (12, 10700625), (13, 9877500), (15, 8560500), (18, 7133750), (20, 6420375), (25, 5136300), (26, 4938750), (30, 4280250), (36, 3566875), (39, 3292500), (45, 2853500), (50, 2568150), (52, 2469375), (60, 2140125), (65, 1975500), (75, 1712100), (78, 1646250), (90, 1426750), (100, 1284075), (117, 1097500), (125, 1027260), (130, 987750), (150, 856050), (156, 823125), (180, 713375), (195, 658500), (225, 570700), (234, 548750), (250, 513630), (260, 493875), (300, 428025), (325, 395100), (375, 342420), (390, 329250), (439, 292500), (450, 285350), (468, 274375), (500, 256815), (585, 219500), (625, 205452), (650, 197550), (750, 171210), (780, 164625), (878, 146250), (900, 142675), (975, 131700), (1125, 114140), (1170, 109750), (1250, 102726), (1300, 98775), (1317, 97500), (1500, 85605), (1625, 79020), (1756, 73125), (1875, 68484), (1950, 65850), (2195, 58500), (2250, 57070), (2340, 54875), (2500, 51363), (2634, 48750), (2925, 43900), (3250, 39510), (3750, 34242), (3900, 32925), (3951, 32500), (4390, 29250), (4500, 28535), (4875, 26340), (5268, 24375), (5625, 22828), (5707, 22500), (5850, 21950), (6500, 19755), (6585, 19500), (7500, 17121), (7902, 16250), (8125, 15804), (8780, 14625), (9750, 13170), (10975, 11700), (11250, 11414)]