31506800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 120

約数和(自身を含む): 83630064

約数和(自身を除く): 52123264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 73, 80, 83, 100, 104, 130, 146, 166, 200, 208, 260, 292, 325, 332, 365, 400, 415, 520, 584, 650, 664, 730, 830, 949, 1040, 1079, 1168, 1300, 1328, 1460, 1660, 1825, 1898, 2075, 2158, 2600, 2920, 3320, 3650, 3796, 4150, 4316, 4745, 5200, 5395, 5840, 6059, 6640, 7300, 7592, 8300, 8632, 9490, 10790, 12118, 14600, 15184, 16600, 17264, 18980, 21580, 23725, 24236, 26975, 29200, 30295, 33200, 37960, 43160, 47450, 48472, 53950, 60590, 75920, 78767, 86320, 94900, 96944, 107900, 121180, 151475, 157534, 189800, 215800, 242360, 302950, 315068, 379600, 393835, 431600, 484720, 605900, 630136, 787670, 1211800, 1260272, 1575340, 1969175, 2423600, 3150680, 3938350, 6301360, 7876700, 15753400, 31506800]

約数ペア:

[(1, 31506800), (2, 15753400), (4, 7876700), (5, 6301360), (8, 3938350), (10, 3150680), (13, 2423600), (16, 1969175), (20, 1575340), (25, 1260272), (26, 1211800), (40, 787670), (50, 630136), (52, 605900), (65, 484720), (73, 431600), (80, 393835), (83, 379600), (100, 315068), (104, 302950), (130, 242360), (146, 215800), (166, 189800), (200, 157534), (208, 151475), (260, 121180), (292, 107900), (325, 96944), (332, 94900), (365, 86320), (400, 78767), (415, 75920), (520, 60590), (584, 53950), (650, 48472), (664, 47450), (730, 43160), (830, 37960), (949, 33200), (1040, 30295), (1079, 29200), (1168, 26975), (1300, 24236), (1328, 23725), (1460, 21580), (1660, 18980), (1825, 17264), (1898, 16600), (2075, 15184), (2158, 14600), (2600, 12118), (2920, 10790), (3320, 9490), (3650, 8632), (3796, 8300), (4150, 7592), (4316, 7300), (4745, 6640), (5200, 6059), (5395, 5840)]