144987440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1279}}^1$

素因数の和:1414

約数の個数: 80

約数和(自身を含む): 366643200

約数和(自身を除く): 221655760

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, 1279, 1417, 1744, 2180, 2558, 2834, 4360, 5116, 5668, 6395, 7085, 8720, 10232, 11336, 12790, 14170, 16627, 20464, 22672, 25580, 28340, 33254, 51160, 56680, 66508, 83135, 102320, 113360, 133016, 139411, 166270, 266032, 278822, 332540, 557644, 665080, 697055, 1115288, 1330160, 1394110, 1812343, 2230576, 2788220, 3624686, 5576440, 7249372, 9061715, 11152880, 14498744, 18123430, 28997488, 36246860, 72493720, 144987440]

約数ペア:

[(1, 144987440), (2, 72493720), (4, 36246860), (5, 28997488), (8, 18123430), (10, 14498744), (13, 11152880), (16, 9061715), (20, 7249372), (26, 5576440), (40, 3624686), (52, 2788220), (65, 2230576), (80, 1812343), (104, 1394110), (109, 1330160), (130, 1115288), (208, 697055), (218, 665080), (260, 557644), (436, 332540), (520, 278822), (545, 266032), (872, 166270), (1040, 139411), (1090, 133016), (1279, 113360), (1417, 102320), (1744, 83135), (2180, 66508), (2558, 56680), (2834, 51160), (4360, 33254), (5116, 28340), (5668, 25580), (6395, 22672), (7085, 20464), (8720, 16627), (10232, 14170), (11336, 12790)]