61457220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31039}}^1$

素因数の和:31065

約数の個数: 72

約数和(自身を含む): 203374080

約数和(自身を除く): 141916860

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, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 31039, 62078, 93117, 124156, 155195, 186234, 279351, 310390, 341429, 372468, 465585, 558702, 620780, 682858, 931170, 1024287, 1117404, 1365716, 1396755, 1707145, 1862340, 2048574, 2793510, 3072861, 3414290, 4097148, 5121435, 5587020, 6145722, 6828580, 10242870, 12291444, 15364305, 20485740, 30728610, 61457220]

約数ペア:

[(1, 61457220), (2, 30728610), (3, 20485740), (4, 15364305), (5, 12291444), (6, 10242870), (9, 6828580), (10, 6145722), (11, 5587020), (12, 5121435), (15, 4097148), (18, 3414290), (20, 3072861), (22, 2793510), (30, 2048574), (33, 1862340), (36, 1707145), (44, 1396755), (45, 1365716), (55, 1117404), (60, 1024287), (66, 931170), (90, 682858), (99, 620780), (110, 558702), (132, 465585), (165, 372468), (180, 341429), (198, 310390), (220, 279351), (330, 186234), (396, 155195), (495, 124156), (660, 93117), (990, 62078), (1980, 31039)]