128386860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43669}}^1$

素因数の和:43695

約数の個数: 72

約数和(自身を含む): 418183920

約数和(自身を除く): 289797060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 43669, 87338, 131007, 174676, 218345, 262014, 305683, 436690, 524028, 611366, 655035, 873380, 917049, 1222732, 1310070, 1528415, 1834098, 2139781, 2620140, 3056830, 3668196, 4279562, 4585245, 6113660, 6419343, 8559124, 9170490, 10698905, 12838686, 18340980, 21397810, 25677372, 32096715, 42795620, 64193430, 128386860]

約数ペア:

[(1, 128386860), (2, 64193430), (3, 42795620), (4, 32096715), (5, 25677372), (6, 21397810), (7, 18340980), (10, 12838686), (12, 10698905), (14, 9170490), (15, 8559124), (20, 6419343), (21, 6113660), (28, 4585245), (30, 4279562), (35, 3668196), (42, 3056830), (49, 2620140), (60, 2139781), (70, 1834098), (84, 1528415), (98, 1310070), (105, 1222732), (140, 917049), (147, 873380), (196, 655035), (210, 611366), (245, 524028), (294, 436690), (420, 305683), (490, 262014), (588, 218345), (735, 174676), (980, 131007), (1470, 87338), (2940, 43669)]