15663971440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{138179}}^1$

素因数の和:138314

約数の個数: 80

約数和(自身を含む): 39580279200

約数和(自身を除く): 23916307760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 872, 1040, 1090, 1417, 1744, 2180, 2834, 4360, 5668, 7085, 8720, 11336, 14170, 22672, 28340, 56680, 113360, 138179, 276358, 552716, 690895, 1105432, 1381790, 1796327, 2210864, 2763580, 3592654, 5527160, 7185308, 8981635, 11054320, 14370616, 15061511, 17963270, 28741232, 30123022, 35926540, 60246044, 71853080, 75307555, 120492088, 143706160, 150615110, 195799643, 240984176, 301230220, 391599286, 602460440, 783198572, 978998215, 1204920880, 1566397144, 1957996430, 3132794288, 3915992860, 7831985720, 15663971440]

約数ペア:

[(1, 15663971440), (2, 7831985720), (4, 3915992860), (5, 3132794288), (8, 1957996430), (10, 1566397144), (13, 1204920880), (16, 978998215), (20, 783198572), (26, 602460440), (40, 391599286), (52, 301230220), (65, 240984176), (80, 195799643), (104, 150615110), (109, 143706160), (130, 120492088), (208, 75307555), (218, 71853080), (260, 60246044), (436, 35926540), (520, 30123022), (545, 28741232), (872, 17963270), (1040, 15061511), (1090, 14370616), (1417, 11054320), (1744, 8981635), (2180, 7185308), (2834, 5527160), (4360, 3592654), (5668, 2763580), (7085, 2210864), (8720, 1796327), (11336, 1381790), (14170, 1105432), (22672, 690895), (28340, 552716), (56680, 276358), (113360, 138179)]