156934520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3967}}^1$

素因数の和:4044

約数の個数: 64

約数和(自身を含む): 377118720

約数和(自身を除く): 220184200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3956, 3967, 4945, 7912, 7934, 9890, 15868, 19780, 19835, 31736, 39560, 39670, 79340, 91241, 158680, 170581, 182482, 341162, 364964, 456205, 682324, 729928, 852905, 912410, 1364648, 1705810, 1824820, 3411620, 3649640, 3923363, 6823240, 7846726, 15693452, 19616815, 31386904, 39233630, 78467260, 156934520]

約数ペア:

[(1, 156934520), (2, 78467260), (4, 39233630), (5, 31386904), (8, 19616815), (10, 15693452), (20, 7846726), (23, 6823240), (40, 3923363), (43, 3649640), (46, 3411620), (86, 1824820), (92, 1705810), (115, 1364648), (172, 912410), (184, 852905), (215, 729928), (230, 682324), (344, 456205), (430, 364964), (460, 341162), (860, 182482), (920, 170581), (989, 158680), (1720, 91241), (1978, 79340), (3956, 39670), (3967, 39560), (4945, 31736), (7912, 19835), (7934, 19780), (9890, 15868)]