187307820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2437}}^1$

素因数の和:2520

約数の個数: 144

約数和(自身を含む): 660249408

約数和(自身を除く): 472941588

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, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1708, 1830, 2135, 2196, 2437, 2562, 2745, 3660, 3843, 4270, 4874, 5124, 5490, 6405, 7311, 7686, 8540, 9748, 10980, 12185, 12810, 14622, 15372, 17059, 19215, 21933, 24370, 25620, 29244, 34118, 36555, 38430, 43866, 48740, 51177, 68236, 73110, 76860, 85295, 87732, 102354, 109665, 146220, 148657, 153531, 170590, 204708, 219330, 255885, 297314, 307062, 341180, 438660, 445971, 511770, 594628, 614124, 743285, 767655, 891942, 1023540, 1040599, 1337913, 1486570, 1535310, 1783884, 2081198, 2229855, 2675826, 2973140, 3070620, 3121797, 4162396, 4459710, 5202995, 5351652, 6243594, 6689565, 8919420, 9365391, 10405990, 12487188, 13379130, 15608985, 18730782, 20811980, 26758260, 31217970, 37461564, 46826955, 62435940, 93653910, 187307820]

約数ペア:

[(1, 187307820), (2, 93653910), (3, 62435940), (4, 46826955), (5, 37461564), (6, 31217970), (7, 26758260), (9, 20811980), (10, 18730782), (12, 15608985), (14, 13379130), (15, 12487188), (18, 10405990), (20, 9365391), (21, 8919420), (28, 6689565), (30, 6243594), (35, 5351652), (36, 5202995), (42, 4459710), (45, 4162396), (60, 3121797), (61, 3070620), (63, 2973140), (70, 2675826), (84, 2229855), (90, 2081198), (105, 1783884), (122, 1535310), (126, 1486570), (140, 1337913), (180, 1040599), (183, 1023540), (210, 891942), (244, 767655), (252, 743285), (305, 614124), (315, 594628), (366, 511770), (420, 445971), (427, 438660), (549, 341180), (610, 307062), (630, 297314), (732, 255885), (854, 219330), (915, 204708), (1098, 170590), (1220, 153531), (1260, 148657), (1281, 146220), (1708, 109665), (1830, 102354), (2135, 87732), (2196, 85295), (2437, 76860), (2562, 73110), (2745, 68236), (3660, 51177), (3843, 48740), (4270, 43866), (4874, 38430), (5124, 36555), (5490, 34118), (6405, 29244), (7311, 25620), (7686, 24370), (8540, 21933), (9748, 19215), (10980, 17059), (12185, 15372), (12810, 14622)]