64640100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{30781}}^1$

素因数の和:30805

約数の個数: 72

約数和(自身を含む): 213750208

約数和(自身を除く): 149110108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 30781, 61562, 92343, 123124, 153905, 184686, 215467, 307810, 369372, 430934, 461715, 615620, 646401, 769525, 861868, 923430, 1077335, 1292802, 1539050, 1846860, 2154670, 2308575, 2585604, 3078100, 3232005, 4309340, 4617150, 5386675, 6464010, 9234300, 10773350, 12928020, 16160025, 21546700, 32320050, 64640100]

約数ペア:

[(1, 64640100), (2, 32320050), (3, 21546700), (4, 16160025), (5, 12928020), (6, 10773350), (7, 9234300), (10, 6464010), (12, 5386675), (14, 4617150), (15, 4309340), (20, 3232005), (21, 3078100), (25, 2585604), (28, 2308575), (30, 2154670), (35, 1846860), (42, 1539050), (50, 1292802), (60, 1077335), (70, 923430), (75, 861868), (84, 769525), (100, 646401), (105, 615620), (140, 461715), (150, 430934), (175, 369372), (210, 307810), (300, 215467), (350, 184686), (420, 153905), (525, 123124), (700, 92343), (1050, 61562), (2100, 30781)]