13181940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 120

約数和(自身を含む): 42282240

約数和(自身を除く): 29100300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 103, 108, 135, 158, 162, 180, 206, 237, 270, 309, 316, 324, 395, 405, 412, 474, 515, 540, 618, 711, 790, 810, 927, 948, 1030, 1185, 1236, 1422, 1545, 1580, 1620, 1854, 2060, 2133, 2370, 2781, 2844, 3090, 3555, 3708, 4266, 4635, 4740, 5562, 6180, 6399, 7110, 8137, 8343, 8532, 9270, 10665, 11124, 12798, 13905, 14220, 16274, 16686, 18540, 21330, 24411, 25596, 27810, 31995, 32548, 33372, 40685, 41715, 42660, 48822, 55620, 63990, 73233, 81370, 83430, 97644, 122055, 127980, 146466, 162740, 166860, 219699, 244110, 292932, 366165, 439398, 488220, 659097, 732330, 878796, 1098495, 1318194, 1464660, 2196990, 2636388, 3295485, 4393980, 6590970, 13181940]

約数ペア:

[(1, 13181940), (2, 6590970), (3, 4393980), (4, 3295485), (5, 2636388), (6, 2196990), (9, 1464660), (10, 1318194), (12, 1098495), (15, 878796), (18, 732330), (20, 659097), (27, 488220), (30, 439398), (36, 366165), (45, 292932), (54, 244110), (60, 219699), (79, 166860), (81, 162740), (90, 146466), (103, 127980), (108, 122055), (135, 97644), (158, 83430), (162, 81370), (180, 73233), (206, 63990), (237, 55620), (270, 48822), (309, 42660), (316, 41715), (324, 40685), (395, 33372), (405, 32548), (412, 31995), (474, 27810), (515, 25596), (540, 24411), (618, 21330), (711, 18540), (790, 16686), (810, 16274), (927, 14220), (948, 13905), (1030, 12798), (1185, 11124), (1236, 10665), (1422, 9270), (1545, 8532), (1580, 8343), (1620, 8137), (1854, 7110), (2060, 6399), (2133, 6180), (2370, 5562), (2781, 4740), (2844, 4635), (3090, 4266), (3555, 3708)]