61509780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:947

約数の個数: 120

約数和(自身を含む): 197669472

約数和(自身を除く): 136159692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 324, 387, 405, 430, 516, 540, 645, 774, 810, 860, 883, 1161, 1290, 1548, 1620, 1766, 1935, 2322, 2580, 2649, 3483, 3532, 3870, 4415, 4644, 5298, 5805, 6966, 7740, 7947, 8830, 10596, 11610, 13245, 13932, 15894, 17415, 17660, 23220, 23841, 26490, 31788, 34830, 37969, 39735, 47682, 52980, 69660, 71523, 75938, 79470, 95364, 113907, 119205, 143046, 151876, 158940, 189845, 227814, 238410, 286092, 341721, 357615, 379690, 455628, 476820, 569535, 683442, 715230, 759380, 1025163, 1139070, 1366884, 1430460, 1708605, 2050326, 2278140, 3075489, 3417210, 4100652, 5125815, 6150978, 6834420, 10251630, 12301956, 15377445, 20503260, 30754890, 61509780]

約数ペア:

[(1, 61509780), (2, 30754890), (3, 20503260), (4, 15377445), (5, 12301956), (6, 10251630), (9, 6834420), (10, 6150978), (12, 5125815), (15, 4100652), (18, 3417210), (20, 3075489), (27, 2278140), (30, 2050326), (36, 1708605), (43, 1430460), (45, 1366884), (54, 1139070), (60, 1025163), (81, 759380), (86, 715230), (90, 683442), (108, 569535), (129, 476820), (135, 455628), (162, 379690), (172, 357615), (180, 341721), (215, 286092), (258, 238410), (270, 227814), (324, 189845), (387, 158940), (405, 151876), (430, 143046), (516, 119205), (540, 113907), (645, 95364), (774, 79470), (810, 75938), (860, 71523), (883, 69660), (1161, 52980), (1290, 47682), (1548, 39735), (1620, 37969), (1766, 34830), (1935, 31788), (2322, 26490), (2580, 23841), (2649, 23220), (3483, 17660), (3532, 17415), (3870, 15894), (4415, 13932), (4644, 13245), (5298, 11610), (5805, 10596), (6966, 8830), (7740, 7947)]