155603240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6959}}^1$

素因数の和:7026

約数の個数: 64

約数和(自身を含む): 385862400

約数和(自身を除く): 230259160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 6959, 11180, 13918, 22360, 27836, 34795, 55672, 69590, 90467, 139180, 180934, 278360, 299237, 361868, 452335, 598474, 723736, 904670, 1196948, 1496185, 1809340, 2393896, 2992370, 3618680, 3890081, 5984740, 7780162, 11969480, 15560324, 19450405, 31120648, 38900810, 77801620, 155603240]

約数ペア:

[(1, 155603240), (2, 77801620), (4, 38900810), (5, 31120648), (8, 19450405), (10, 15560324), (13, 11969480), (20, 7780162), (26, 5984740), (40, 3890081), (43, 3618680), (52, 2992370), (65, 2393896), (86, 1809340), (104, 1496185), (130, 1196948), (172, 904670), (215, 723736), (260, 598474), (344, 452335), (430, 361868), (520, 299237), (559, 278360), (860, 180934), (1118, 139180), (1720, 90467), (2236, 69590), (2795, 55672), (4472, 34795), (5590, 27836), (6959, 22360), (11180, 13918)]