67157080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 155311200

約数和(自身を除く): 88154120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 109, 146, 211, 218, 292, 365, 422, 436, 545, 584, 730, 844, 872, 1055, 1090, 1460, 1688, 2110, 2180, 2920, 4220, 4360, 7957, 8440, 15403, 15914, 22999, 30806, 31828, 39785, 45998, 61612, 63656, 77015, 79570, 91996, 114995, 123224, 154030, 159140, 183992, 229990, 308060, 318280, 459980, 616120, 919960, 1678927, 3357854, 6715708, 8394635, 13431416, 16789270, 33578540, 67157080]

約数ペア:

[(1, 67157080), (2, 33578540), (4, 16789270), (5, 13431416), (8, 8394635), (10, 6715708), (20, 3357854), (40, 1678927), (73, 919960), (109, 616120), (146, 459980), (211, 318280), (218, 308060), (292, 229990), (365, 183992), (422, 159140), (436, 154030), (545, 123224), (584, 114995), (730, 91996), (844, 79570), (872, 77015), (1055, 63656), (1090, 61612), (1460, 45998), (1688, 39785), (2110, 31828), (2180, 30806), (2920, 22999), (4220, 15914), (4360, 15403), (7957, 8440)]