144767720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{2153}}^1$

素因数の和:2246

約数の個数: 48

約数和(自身を含む): 334020780

約数和(自身を除く): 189253060

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1681, 2153, 3362, 4306, 6724, 8405, 8612, 10765, 13448, 16810, 17224, 21530, 33620, 43060, 67240, 86120, 88273, 176546, 353092, 441365, 706184, 882730, 1765460, 3530920, 3619193, 7238386, 14476772, 18095965, 28953544, 36191930, 72383860, 144767720]

約数ペア:

[(1, 144767720), (2, 72383860), (4, 36191930), (5, 28953544), (8, 18095965), (10, 14476772), (20, 7238386), (40, 3619193), (41, 3530920), (82, 1765460), (164, 882730), (205, 706184), (328, 441365), (410, 353092), (820, 176546), (1640, 88273), (1681, 86120), (2153, 67240), (3362, 43060), (4306, 33620), (6724, 21530), (8405, 17224), (8612, 16810), (10765, 13448)]