64203750

素因数分解:

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

素因数の和:480

約数の個数: 120

約数和(自身を含む): 187627440

約数和(自身を除く): 123423690

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 125, 130, 150, 195, 225, 234, 250, 325, 375, 390, 439, 450, 585, 625, 650, 750, 878, 975, 1125, 1170, 1250, 1317, 1625, 1875, 1950, 2195, 2250, 2634, 2925, 3250, 3750, 3951, 4390, 4875, 5625, 5707, 5850, 6585, 7902, 8125, 9750, 10975, 11250, 11414, 13170, 14625, 16250, 17121, 19755, 21950, 24375, 28535, 29250, 32925, 34242, 39510, 48750, 51363, 54875, 57070, 65850, 73125, 85605, 98775, 102726, 109750, 142675, 146250, 164625, 171210, 197550, 256815, 274375, 285350, 329250, 428025, 493875, 513630, 548750, 713375, 823125, 856050, 987750, 1284075, 1426750, 1646250, 2140125, 2469375, 2568150, 3566875, 4280250, 4938750, 6420375, 7133750, 10700625, 12840750, 21401250, 32101875, 64203750]

約数ペア:

[(1, 64203750), (2, 32101875), (3, 21401250), (5, 12840750), (6, 10700625), (9, 7133750), (10, 6420375), (13, 4938750), (15, 4280250), (18, 3566875), (25, 2568150), (26, 2469375), (30, 2140125), (39, 1646250), (45, 1426750), (50, 1284075), (65, 987750), (75, 856050), (78, 823125), (90, 713375), (117, 548750), (125, 513630), (130, 493875), (150, 428025), (195, 329250), (225, 285350), (234, 274375), (250, 256815), (325, 197550), (375, 171210), (390, 164625), (439, 146250), (450, 142675), (585, 109750), (625, 102726), (650, 98775), (750, 85605), (878, 73125), (975, 65850), (1125, 57070), (1170, 54875), (1250, 51363), (1317, 48750), (1625, 39510), (1875, 34242), (1950, 32925), (2195, 29250), (2250, 28535), (2634, 24375), (2925, 21950), (3250, 19755), (3750, 17121), (3951, 16250), (4390, 14625), (4875, 13170), (5625, 11414), (5707, 11250), (5850, 10975), (6585, 9750), (7902, 8125)]