620283720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8297}}^1$

素因数の和:8407

約数の個数: 128

約数和(自身を含む): 2150841600

約数和(自身を除く): 1530557880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 2136, 2492, 2670, 3115, 3560, 3738, 4984, 5340, 6230, 7476, 8297, 9345, 10680, 12460, 14952, 16594, 18690, 24891, 24920, 33188, 37380, 41485, 49782, 58079, 66376, 74760, 82970, 99564, 116158, 124455, 165940, 174237, 199128, 232316, 248910, 290395, 331880, 348474, 464632, 497820, 580790, 696948, 738433, 871185, 995640, 1161580, 1393896, 1476866, 1742370, 2215299, 2323160, 2953732, 3484740, 3692165, 4430598, 5169031, 5907464, 6969480, 7384330, 8861196, 10338062, 11076495, 14768660, 15507093, 17722392, 20676124, 22152990, 25845155, 29537320, 31014186, 41352248, 44305980, 51690310, 62028372, 77535465, 88611960, 103380620, 124056744, 155070930, 206761240, 310141860, 620283720]

約数ペア:

[(1, 620283720), (2, 310141860), (3, 206761240), (4, 155070930), (5, 124056744), (6, 103380620), (7, 88611960), (8, 77535465), (10, 62028372), (12, 51690310), (14, 44305980), (15, 41352248), (20, 31014186), (21, 29537320), (24, 25845155), (28, 22152990), (30, 20676124), (35, 17722392), (40, 15507093), (42, 14768660), (56, 11076495), (60, 10338062), (70, 8861196), (84, 7384330), (89, 6969480), (105, 5907464), (120, 5169031), (140, 4430598), (168, 3692165), (178, 3484740), (210, 2953732), (267, 2323160), (280, 2215299), (356, 1742370), (420, 1476866), (445, 1393896), (534, 1161580), (623, 995640), (712, 871185), (840, 738433), (890, 696948), (1068, 580790), (1246, 497820), (1335, 464632), (1780, 348474), (1869, 331880), (2136, 290395), (2492, 248910), (2670, 232316), (3115, 199128), (3560, 174237), (3738, 165940), (4984, 124455), (5340, 116158), (6230, 99564), (7476, 82970), (8297, 74760), (9345, 66376), (10680, 58079), (12460, 49782), (14952, 41485), (16594, 37380), (18690, 33188), (24891, 24920)]