87351660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 291930912

約数和(自身を除く): 204579252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 157, 165, 180, 198, 220, 281, 314, 330, 396, 471, 495, 562, 628, 660, 785, 843, 942, 990, 1124, 1405, 1413, 1570, 1686, 1727, 1884, 1980, 2355, 2529, 2810, 2826, 3091, 3140, 3372, 3454, 4215, 4710, 5058, 5181, 5620, 5652, 6182, 6908, 7065, 8430, 8635, 9273, 9420, 10116, 10362, 12364, 12645, 14130, 15455, 15543, 16860, 17270, 18546, 20724, 25290, 25905, 27819, 28260, 30910, 31086, 34540, 37092, 44117, 46365, 50580, 51810, 55638, 61820, 62172, 77715, 88234, 92730, 103620, 111276, 132351, 139095, 155430, 176468, 185460, 220585, 264702, 278190, 310860, 397053, 441170, 485287, 529404, 556380, 661755, 794106, 882340, 970574, 1323510, 1455861, 1588212, 1941148, 1985265, 2426435, 2647020, 2911722, 3970530, 4367583, 4852870, 5823444, 7279305, 7941060, 8735166, 9705740, 14558610, 17470332, 21837915, 29117220, 43675830, 87351660]

約数ペア:

[(1, 87351660), (2, 43675830), (3, 29117220), (4, 21837915), (5, 17470332), (6, 14558610), (9, 9705740), (10, 8735166), (11, 7941060), (12, 7279305), (15, 5823444), (18, 4852870), (20, 4367583), (22, 3970530), (30, 2911722), (33, 2647020), (36, 2426435), (44, 1985265), (45, 1941148), (55, 1588212), (60, 1455861), (66, 1323510), (90, 970574), (99, 882340), (110, 794106), (132, 661755), (157, 556380), (165, 529404), (180, 485287), (198, 441170), (220, 397053), (281, 310860), (314, 278190), (330, 264702), (396, 220585), (471, 185460), (495, 176468), (562, 155430), (628, 139095), (660, 132351), (785, 111276), (843, 103620), (942, 92730), (990, 88234), (1124, 77715), (1405, 62172), (1413, 61820), (1570, 55638), (1686, 51810), (1727, 50580), (1884, 46365), (1980, 44117), (2355, 37092), (2529, 34540), (2810, 31086), (2826, 30910), (3091, 28260), (3140, 27819), (3372, 25905), (3454, 25290), (4215, 20724), (4710, 18546), (5058, 17270), (5181, 16860), (5620, 15543), (5652, 15455), (6182, 14130), (6908, 12645), (7065, 12364), (8430, 10362), (8635, 10116), (9273, 9420)]