31582720

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1$

素因数の和:122

約数の個数: 120

約数和(自身を含む): 83120796

約数和(自身を除く): 51538076

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 128, 130, 146, 160, 169, 208, 256, 260, 292, 320, 338, 365, 416, 512, 520, 584, 640, 676, 730, 832, 845, 949, 1040, 1168, 1280, 1352, 1460, 1664, 1690, 1898, 2080, 2336, 2560, 2704, 2920, 3328, 3380, 3796, 4160, 4672, 4745, 5408, 5840, 6656, 6760, 7592, 8320, 9344, 9490, 10816, 11680, 12337, 13520, 15184, 16640, 18688, 18980, 21632, 23360, 24674, 27040, 30368, 33280, 37376, 37960, 43264, 46720, 49348, 54080, 60736, 61685, 75920, 86528, 93440, 98696, 108160, 121472, 123370, 151840, 186880, 197392, 216320, 242944, 246740, 303680, 394784, 432640, 485888, 493480, 607360, 789568, 986960, 1214720, 1579136, 1973920, 2429440, 3158272, 3947840, 6316544, 7895680, 15791360, 31582720]

約数ペア:

[(1, 31582720), (2, 15791360), (4, 7895680), (5, 6316544), (8, 3947840), (10, 3158272), (13, 2429440), (16, 1973920), (20, 1579136), (26, 1214720), (32, 986960), (40, 789568), (52, 607360), (64, 493480), (65, 485888), (73, 432640), (80, 394784), (104, 303680), (128, 246740), (130, 242944), (146, 216320), (160, 197392), (169, 186880), (208, 151840), (256, 123370), (260, 121472), (292, 108160), (320, 98696), (338, 93440), (365, 86528), (416, 75920), (512, 61685), (520, 60736), (584, 54080), (640, 49348), (676, 46720), (730, 43264), (832, 37960), (845, 37376), (949, 33280), (1040, 30368), (1168, 27040), (1280, 24674), (1352, 23360), (1460, 21632), (1664, 18980), (1690, 18688), (1898, 16640), (2080, 15184), (2336, 13520), (2560, 12337), (2704, 11680), (2920, 10816), (3328, 9490), (3380, 9344), (3796, 8320), (4160, 7592), (4672, 6760), (4745, 6656), (5408, 5840)]