688867620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{1487}}^1$

素因数の和:2609

約数の個数: 96

約数和(自身を含む): 2207858688

約数和(自身を除く): 1518991068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1103, 1487, 2206, 2974, 3309, 4412, 4461, 5515, 5948, 6618, 7435, 7721, 8922, 10409, 11030, 13236, 14870, 15442, 16545, 17844, 20818, 22060, 22305, 23163, 29740, 30884, 31227, 33090, 38605, 41636, 44610, 46326, 52045, 62454, 66180, 77210, 89220, 92652, 104090, 115815, 124908, 154420, 156135, 208180, 231630, 312270, 463260, 624540, 1640161, 3280322, 4920483, 6560644, 8200805, 9840966, 11481127, 16401610, 19681932, 22962254, 24602415, 32803220, 34443381, 45924508, 49204830, 57405635, 68886762, 98409660, 114811270, 137773524, 172216905, 229622540, 344433810, 688867620]

約数ペア:

[(1, 688867620), (2, 344433810), (3, 229622540), (4, 172216905), (5, 137773524), (6, 114811270), (7, 98409660), (10, 68886762), (12, 57405635), (14, 49204830), (15, 45924508), (20, 34443381), (21, 32803220), (28, 24602415), (30, 22962254), (35, 19681932), (42, 16401610), (60, 11481127), (70, 9840966), (84, 8200805), (105, 6560644), (140, 4920483), (210, 3280322), (420, 1640161), (1103, 624540), (1487, 463260), (2206, 312270), (2974, 231630), (3309, 208180), (4412, 156135), (4461, 154420), (5515, 124908), (5948, 115815), (6618, 104090), (7435, 92652), (7721, 89220), (8922, 77210), (10409, 66180), (11030, 62454), (13236, 52045), (14870, 46326), (15442, 44610), (16545, 41636), (17844, 38605), (20818, 33090), (22060, 31227), (22305, 30884), (23163, 29740)]