305717680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{577}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 735354720

約数和(自身を除く): 429637040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 179, 185, 296, 358, 370, 577, 592, 716, 740, 895, 1154, 1432, 1480, 1790, 2308, 2864, 2885, 2960, 3580, 4616, 5770, 6623, 7160, 9232, 11540, 13246, 14320, 21349, 23080, 26492, 33115, 42698, 46160, 52984, 66230, 85396, 103283, 105968, 106745, 132460, 170792, 206566, 213490, 264920, 341584, 413132, 426980, 516415, 529840, 826264, 853960, 1032830, 1652528, 1707920, 2065660, 3821471, 4131320, 7642942, 8262640, 15285884, 19107355, 30571768, 38214710, 61143536, 76429420, 152858840, 305717680]

約数ペア:

[(1, 305717680), (2, 152858840), (4, 76429420), (5, 61143536), (8, 38214710), (10, 30571768), (16, 19107355), (20, 15285884), (37, 8262640), (40, 7642942), (74, 4131320), (80, 3821471), (148, 2065660), (179, 1707920), (185, 1652528), (296, 1032830), (358, 853960), (370, 826264), (577, 529840), (592, 516415), (716, 426980), (740, 413132), (895, 341584), (1154, 264920), (1432, 213490), (1480, 206566), (1790, 170792), (2308, 132460), (2864, 106745), (2885, 105968), (2960, 103283), (3580, 85396), (4616, 66230), (5770, 52984), (6623, 46160), (7160, 42698), (9232, 33115), (11540, 26492), (13246, 23080), (14320, 21349)]