66416940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8581}}^1$

素因数の和:8639

約数の個数: 72

約数和(自身を含む): 206173968

約数和(自身を除く): 139757028

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, 8581, 17162, 25743, 34324, 42905, 51486, 77229, 85810, 102972, 128715, 154458, 171620, 257430, 308916, 368983, 386145, 514860, 737966, 772290, 1106949, 1475932, 1544580, 1844915, 2213898, 3320847, 3689830, 4427796, 5534745, 6641694, 7379660, 11069490, 13283388, 16604235, 22138980, 33208470, 66416940]

約数ペア:

[(1, 66416940), (2, 33208470), (3, 22138980), (4, 16604235), (5, 13283388), (6, 11069490), (9, 7379660), (10, 6641694), (12, 5534745), (15, 4427796), (18, 3689830), (20, 3320847), (30, 2213898), (36, 1844915), (43, 1544580), (45, 1475932), (60, 1106949), (86, 772290), (90, 737966), (129, 514860), (172, 386145), (180, 368983), (215, 308916), (258, 257430), (387, 171620), (430, 154458), (516, 128715), (645, 102972), (774, 85810), (860, 77229), (1290, 51486), (1548, 42905), (1935, 34324), (2580, 25743), (3870, 17162), (7740, 8581)]