25740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:39

約数の個数: 72

約数和(自身を含む): 91728

約数和(自身を除く): 65988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 12870, 25740]

約数ペア:

[(1, 25740), (2, 12870), (3, 8580), (4, 6435), (5, 5148), (6, 4290), (9, 2860), (10, 2574), (11, 2340), (12, 2145), (13, 1980), (15, 1716), (18, 1430), (20, 1287), (22, 1170), (26, 990), (30, 858), (33, 780), (36, 715), (39, 660), (44, 585), (45, 572), (52, 495), (55, 468), (60, 429), (65, 396), (66, 390), (78, 330), (90, 286), (99, 260), (110, 234), (117, 220), (130, 198), (132, 195), (143, 180), (156, 165)]