31512690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 90417600

約数和(自身を除く): 58904910

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 139, 165, 198, 229, 278, 330, 417, 458, 495, 687, 695, 834, 990, 1145, 1251, 1374, 1390, 1529, 2061, 2085, 2290, 2502, 2519, 3058, 3435, 4122, 4170, 4587, 5038, 6255, 6870, 7557, 7645, 9174, 10305, 12510, 12595, 13761, 15114, 15290, 20610, 22671, 22935, 25190, 27522, 31831, 37785, 45342, 45870, 63662, 68805, 75570, 95493, 113355, 137610, 159155, 190986, 226710, 286479, 318310, 350141, 477465, 572958, 700282, 954930, 1050423, 1432395, 1750705, 2100846, 2864790, 3151269, 3501410, 5252115, 6302538, 10504230, 15756345, 31512690]

約数ペア:

[(1, 31512690), (2, 15756345), (3, 10504230), (5, 6302538), (6, 5252115), (9, 3501410), (10, 3151269), (11, 2864790), (15, 2100846), (18, 1750705), (22, 1432395), (30, 1050423), (33, 954930), (45, 700282), (55, 572958), (66, 477465), (90, 350141), (99, 318310), (110, 286479), (139, 226710), (165, 190986), (198, 159155), (229, 137610), (278, 113355), (330, 95493), (417, 75570), (458, 68805), (495, 63662), (687, 45870), (695, 45342), (834, 37785), (990, 31831), (1145, 27522), (1251, 25190), (1374, 22935), (1390, 22671), (1529, 20610), (2061, 15290), (2085, 15114), (2290, 13761), (2502, 12595), (2519, 12510), (3058, 10305), (3435, 9174), (4122, 7645), (4170, 7557), (4587, 6870), (5038, 6255)]