231660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:45

約数の個数: 120

約数和(自身を含む): 853776

約数和(自身を除く): 622116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 81, 90, 99, 108, 110, 117, 130, 132, 135, 143, 156, 162, 165, 180, 195, 198, 220, 234, 260, 270, 286, 297, 324, 330, 351, 390, 396, 405, 429, 468, 495, 540, 572, 585, 594, 660, 702, 715, 780, 810, 858, 891, 990, 1053, 1170, 1188, 1287, 1404, 1430, 1485, 1620, 1716, 1755, 1782, 1980, 2106, 2145, 2340, 2574, 2860, 2970, 3510, 3564, 3861, 4212, 4290, 4455, 5148, 5265, 5940, 6435, 7020, 7722, 8580, 8910, 10530, 11583, 12870, 15444, 17820, 19305, 21060, 23166, 25740, 38610, 46332, 57915, 77220, 115830, 231660]

約数ペア:

[(1, 231660), (2, 115830), (3, 77220), (4, 57915), (5, 46332), (6, 38610), (9, 25740), (10, 23166), (11, 21060), (12, 19305), (13, 17820), (15, 15444), (18, 12870), (20, 11583), (22, 10530), (26, 8910), (27, 8580), (30, 7722), (33, 7020), (36, 6435), (39, 5940), (44, 5265), (45, 5148), (52, 4455), (54, 4290), (55, 4212), (60, 3861), (65, 3564), (66, 3510), (78, 2970), (81, 2860), (90, 2574), (99, 2340), (108, 2145), (110, 2106), (117, 1980), (130, 1782), (132, 1755), (135, 1716), (143, 1620), (156, 1485), (162, 1430), (165, 1404), (180, 1287), (195, 1188), (198, 1170), (220, 1053), (234, 990), (260, 891), (270, 858), (286, 810), (297, 780), (324, 715), (330, 702), (351, 660), (390, 594), (396, 585), (405, 572), (429, 540), (468, 495)]