15720804

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^2\times {\mathrm{401}}^1$

素因数の和:439

約数の個数: 90

約数和(自身を含む): 45285702

約数和(自身を除く): 29564898

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 121, 132, 162, 198, 242, 297, 324, 363, 396, 401, 484, 594, 726, 802, 891, 1089, 1188, 1203, 1452, 1604, 1782, 2178, 2406, 3267, 3564, 3609, 4356, 4411, 4812, 6534, 7218, 8822, 9801, 10827, 13068, 13233, 14436, 17644, 19602, 21654, 26466, 32481, 39204, 39699, 43308, 48521, 52932, 64962, 79398, 97042, 119097, 129924, 145563, 158796, 194084, 238194, 291126, 357291, 436689, 476388, 582252, 714582, 873378, 1310067, 1429164, 1746756, 2620134, 3930201, 5240268, 7860402, 15720804]

約数ペア:

[(1, 15720804), (2, 7860402), (3, 5240268), (4, 3930201), (6, 2620134), (9, 1746756), (11, 1429164), (12, 1310067), (18, 873378), (22, 714582), (27, 582252), (33, 476388), (36, 436689), (44, 357291), (54, 291126), (66, 238194), (81, 194084), (99, 158796), (108, 145563), (121, 129924), (132, 119097), (162, 97042), (198, 79398), (242, 64962), (297, 52932), (324, 48521), (363, 43308), (396, 39699), (401, 39204), (484, 32481), (594, 26466), (726, 21654), (802, 19602), (891, 17644), (1089, 14436), (1188, 13233), (1203, 13068), (1452, 10827), (1604, 9801), (1782, 8822), (2178, 7218), (2406, 6534), (3267, 4812), (3564, 4411), (3609, 4356)]