30891760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 76137984

約数和(自身を除く): 45246224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 103, 115, 163, 184, 206, 230, 326, 368, 412, 460, 515, 652, 815, 824, 920, 1030, 1304, 1630, 1648, 1840, 2060, 2369, 2608, 3260, 3749, 4120, 4738, 6520, 7498, 8240, 9476, 11845, 13040, 14996, 16789, 18745, 18952, 23690, 29992, 33578, 37490, 37904, 47380, 59984, 67156, 74980, 83945, 94760, 134312, 149960, 167890, 189520, 268624, 299920, 335780, 386147, 671560, 772294, 1343120, 1544588, 1930735, 3089176, 3861470, 6178352, 7722940, 15445880, 30891760]

約数ペア:

[(1, 30891760), (2, 15445880), (4, 7722940), (5, 6178352), (8, 3861470), (10, 3089176), (16, 1930735), (20, 1544588), (23, 1343120), (40, 772294), (46, 671560), (80, 386147), (92, 335780), (103, 299920), (115, 268624), (163, 189520), (184, 167890), (206, 149960), (230, 134312), (326, 94760), (368, 83945), (412, 74980), (460, 67156), (515, 59984), (652, 47380), (815, 37904), (824, 37490), (920, 33578), (1030, 29992), (1304, 23690), (1630, 18952), (1648, 18745), (1840, 16789), (2060, 14996), (2369, 13040), (2608, 11845), (3260, 9476), (3749, 8240), (4120, 7498), (4738, 6520)]