1899450180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{245407}}^1$

素因数の和:245465

約数の個数: 72

約数和(自身を含む): 5895681792

約数和(自身を除く): 3996231612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 245407, 490814, 736221, 981628, 1227035, 1472442, 2208663, 2454070, 2944884, 3681105, 4417326, 4908140, 7362210, 8834652, 10552501, 11043315, 14724420, 21105002, 22086630, 31657503, 42210004, 44173260, 52762505, 63315006, 94972509, 105525010, 126630012, 158287515, 189945018, 211050020, 316575030, 379890036, 474862545, 633150060, 949725090, 1899450180]

約数ペア:

[(1, 1899450180), (2, 949725090), (3, 633150060), (4, 474862545), (5, 379890036), (6, 316575030), (9, 211050020), (10, 189945018), (12, 158287515), (15, 126630012), (18, 105525010), (20, 94972509), (30, 63315006), (36, 52762505), (43, 44173260), (45, 42210004), (60, 31657503), (86, 22086630), (90, 21105002), (129, 14724420), (172, 11043315), (180, 10552501), (215, 8834652), (258, 7362210), (387, 4908140), (430, 4417326), (516, 3681105), (645, 2944884), (774, 2454070), (860, 2208663), (1290, 1472442), (1548, 1227035), (1935, 981628), (2580, 736221), (3870, 490814), (7740, 245407)]