51709140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41039}}^1$

素因数の和:41061

約数の個数: 72

約数和(自身を含む): 179262720

約数和(自身を除く): 127553580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 41039, 82078, 123117, 164156, 205195, 246234, 287273, 369351, 410390, 492468, 574546, 615585, 738702, 820780, 861819, 1149092, 1231170, 1436365, 1477404, 1723638, 1846755, 2462340, 2585457, 2872730, 3447276, 3693510, 4309095, 5170914, 5745460, 7387020, 8618190, 10341828, 12927285, 17236380, 25854570, 51709140]

約数ペア:

[(1, 51709140), (2, 25854570), (3, 17236380), (4, 12927285), (5, 10341828), (6, 8618190), (7, 7387020), (9, 5745460), (10, 5170914), (12, 4309095), (14, 3693510), (15, 3447276), (18, 2872730), (20, 2585457), (21, 2462340), (28, 1846755), (30, 1723638), (35, 1477404), (36, 1436365), (42, 1231170), (45, 1149092), (60, 861819), (63, 820780), (70, 738702), (84, 615585), (90, 574546), (105, 492468), (126, 410390), (140, 369351), (180, 287273), (210, 246234), (252, 205195), (315, 164156), (420, 123117), (630, 82078), (1260, 41039)]