30206800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 80777816

約数和(自身を除く): 50571016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 37, 40, 50, 52, 65, 74, 80, 100, 104, 130, 148, 157, 185, 200, 208, 260, 296, 314, 325, 370, 400, 481, 520, 592, 628, 650, 740, 785, 925, 962, 1040, 1256, 1300, 1480, 1570, 1850, 1924, 2041, 2405, 2512, 2600, 2960, 3140, 3700, 3848, 3925, 4082, 4810, 5200, 5809, 6280, 7400, 7696, 7850, 8164, 9620, 10205, 11618, 12025, 12560, 14800, 15700, 16328, 19240, 20410, 23236, 24050, 29045, 31400, 32656, 38480, 40820, 46472, 48100, 51025, 58090, 62800, 75517, 81640, 92944, 96200, 102050, 116180, 145225, 151034, 163280, 192400, 204100, 232360, 290450, 302068, 377585, 408200, 464720, 580900, 604136, 755170, 816400, 1161800, 1208272, 1510340, 1887925, 2323600, 3020680, 3775850, 6041360, 7551700, 15103400, 30206800]

約数ペア:

[(1, 30206800), (2, 15103400), (4, 7551700), (5, 6041360), (8, 3775850), (10, 3020680), (13, 2323600), (16, 1887925), (20, 1510340), (25, 1208272), (26, 1161800), (37, 816400), (40, 755170), (50, 604136), (52, 580900), (65, 464720), (74, 408200), (80, 377585), (100, 302068), (104, 290450), (130, 232360), (148, 204100), (157, 192400), (185, 163280), (200, 151034), (208, 145225), (260, 116180), (296, 102050), (314, 96200), (325, 92944), (370, 81640), (400, 75517), (481, 62800), (520, 58090), (592, 51025), (628, 48100), (650, 46472), (740, 40820), (785, 38480), (925, 32656), (962, 31400), (1040, 29045), (1256, 24050), (1300, 23236), (1480, 20410), (1570, 19240), (1850, 16328), (1924, 15700), (2041, 14800), (2405, 12560), (2512, 12025), (2600, 11618), (2960, 10205), (3140, 9620), (3700, 8164), (3848, 7850), (3925, 7696), (4082, 7400), (4810, 6280), (5200, 5809)]