61587180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 195555360

約数和(自身を除く): 133968180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 73, 86, 90, 109, 129, 146, 172, 180, 215, 218, 219, 258, 292, 327, 365, 387, 430, 436, 438, 516, 545, 645, 654, 657, 730, 774, 860, 876, 981, 1090, 1095, 1290, 1308, 1314, 1460, 1548, 1635, 1935, 1962, 2180, 2190, 2580, 2628, 3139, 3270, 3285, 3870, 3924, 4380, 4687, 4905, 6278, 6540, 6570, 7740, 7957, 9374, 9417, 9810, 12556, 13140, 14061, 15695, 15914, 18748, 18834, 19620, 23435, 23871, 28122, 28251, 31390, 31828, 37668, 39785, 42183, 46870, 47085, 47742, 56244, 56502, 62780, 70305, 71613, 79570, 84366, 93740, 94170, 95484, 113004, 119355, 140610, 141255, 143226, 159140, 168732, 188340, 210915, 238710, 281220, 282510, 286452, 342151, 358065, 421830, 477420, 565020, 684302, 716130, 843660, 1026453, 1368604, 1432260, 1710755, 2052906, 3079359, 3421510, 4105812, 5132265, 6158718, 6843020, 10264530, 12317436, 15396795, 20529060, 30793590, 61587180]

約数ペア:

[(1, 61587180), (2, 30793590), (3, 20529060), (4, 15396795), (5, 12317436), (6, 10264530), (9, 6843020), (10, 6158718), (12, 5132265), (15, 4105812), (18, 3421510), (20, 3079359), (30, 2052906), (36, 1710755), (43, 1432260), (45, 1368604), (60, 1026453), (73, 843660), (86, 716130), (90, 684302), (109, 565020), (129, 477420), (146, 421830), (172, 358065), (180, 342151), (215, 286452), (218, 282510), (219, 281220), (258, 238710), (292, 210915), (327, 188340), (365, 168732), (387, 159140), (430, 143226), (436, 141255), (438, 140610), (516, 119355), (545, 113004), (645, 95484), (654, 94170), (657, 93740), (730, 84366), (774, 79570), (860, 71613), (876, 70305), (981, 62780), (1090, 56502), (1095, 56244), (1290, 47742), (1308, 47085), (1314, 46870), (1460, 42183), (1548, 39785), (1635, 37668), (1935, 31828), (1962, 31390), (2180, 28251), (2190, 28122), (2580, 23871), (2628, 23435), (3139, 19620), (3270, 18834), (3285, 18748), (3870, 15914), (3924, 15695), (4380, 14061), (4687, 13140), (4905, 12556), (6278, 9810), (6540, 9417), (6570, 9374), (7740, 7957)]