15691720840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1\times {\mathrm{11657}}^1$

素因数の和:12202

約数の個数: 64

約数和(自身を含む): 35870733360

約数和(自身を除く): 20179012520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 461, 584, 730, 922, 1460, 1844, 2305, 2920, 3688, 4610, 9220, 11657, 18440, 23314, 33653, 46628, 58285, 67306, 93256, 116570, 134612, 168265, 233140, 269224, 336530, 466280, 673060, 850961, 1346120, 1701922, 3403844, 4254805, 5373877, 6807688, 8509610, 10747754, 17019220, 21495508, 26869385, 34038440, 42991016, 53738770, 107477540, 214955080, 392293021, 784586042, 1569172084, 1961465105, 3138344168, 3922930210, 7845860420, 15691720840]

約数ペア:

[(1, 15691720840), (2, 7845860420), (4, 3922930210), (5, 3138344168), (8, 1961465105), (10, 1569172084), (20, 784586042), (40, 392293021), (73, 214955080), (146, 107477540), (292, 53738770), (365, 42991016), (461, 34038440), (584, 26869385), (730, 21495508), (922, 17019220), (1460, 10747754), (1844, 8509610), (2305, 6807688), (2920, 5373877), (3688, 4254805), (4610, 3403844), (9220, 1701922), (11657, 1346120), (18440, 850961), (23314, 673060), (33653, 466280), (46628, 336530), (58285, 269224), (67306, 233140), (93256, 168265), (116570, 134612)]