64312500

素因数分解:

$2^2\times 3^1\times 5^6\times 7^3$

素因数の和:58

約数の個数: 168

約数和(自身を含む): 218747200

約数和(自身を除く): 154434700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 125, 140, 147, 150, 175, 196, 210, 245, 250, 294, 300, 343, 350, 375, 420, 490, 500, 525, 588, 625, 686, 700, 735, 750, 875, 980, 1029, 1050, 1225, 1250, 1372, 1470, 1500, 1715, 1750, 1875, 2058, 2100, 2450, 2500, 2625, 2940, 3125, 3430, 3500, 3675, 3750, 4116, 4375, 4900, 5145, 5250, 6125, 6250, 6860, 7350, 7500, 8575, 8750, 9375, 10290, 10500, 12250, 12500, 13125, 14700, 15625, 17150, 17500, 18375, 18750, 20580, 21875, 24500, 25725, 26250, 30625, 31250, 34300, 36750, 37500, 42875, 43750, 46875, 51450, 52500, 61250, 62500, 65625, 73500, 85750, 87500, 91875, 93750, 102900, 109375, 122500, 128625, 131250, 153125, 171500, 183750, 187500, 214375, 218750, 257250, 262500, 306250, 328125, 367500, 428750, 437500, 459375, 514500, 612500, 643125, 656250, 765625, 857500, 918750, 1071875, 1286250, 1312500, 1531250, 1837500, 2143750, 2296875, 2572500, 3062500, 3215625, 4287500, 4593750, 5359375, 6431250, 9187500, 10718750, 12862500, 16078125, 21437500, 32156250, 64312500]

約数ペア:

[(1, 64312500), (2, 32156250), (3, 21437500), (4, 16078125), (5, 12862500), (6, 10718750), (7, 9187500), (10, 6431250), (12, 5359375), (14, 4593750), (15, 4287500), (20, 3215625), (21, 3062500), (25, 2572500), (28, 2296875), (30, 2143750), (35, 1837500), (42, 1531250), (49, 1312500), (50, 1286250), (60, 1071875), (70, 918750), (75, 857500), (84, 765625), (98, 656250), (100, 643125), (105, 612500), (125, 514500), (140, 459375), (147, 437500), (150, 428750), (175, 367500), (196, 328125), (210, 306250), (245, 262500), (250, 257250), (294, 218750), (300, 214375), (343, 187500), (350, 183750), (375, 171500), (420, 153125), (490, 131250), (500, 128625), (525, 122500), (588, 109375), (625, 102900), (686, 93750), (700, 91875), (735, 87500), (750, 85750), (875, 73500), (980, 65625), (1029, 62500), (1050, 61250), (1225, 52500), (1250, 51450), (1372, 46875), (1470, 43750), (1500, 42875), (1715, 37500), (1750, 36750), (1875, 34300), (2058, 31250), (2100, 30625), (2450, 26250), (2500, 25725), (2625, 24500), (2940, 21875), (3125, 20580), (3430, 18750), (3500, 18375), (3675, 17500), (3750, 17150), (4116, 15625), (4375, 14700), (4900, 13125), (5145, 12500), (5250, 12250), (6125, 10500), (6250, 10290), (6860, 9375), (7350, 8750), (7500, 8575)]