181890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 494208

約数和(自身を除く): 312318

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 47, 86, 90, 94, 129, 141, 215, 235, 258, 282, 387, 423, 430, 470, 645, 705, 774, 846, 1290, 1410, 1935, 2021, 2115, 3870, 4042, 4230, 6063, 10105, 12126, 18189, 20210, 30315, 36378, 60630, 90945, 181890]

約数ペア:

[(1, 181890), (2, 90945), (3, 60630), (5, 36378), (6, 30315), (9, 20210), (10, 18189), (15, 12126), (18, 10105), (30, 6063), (43, 4230), (45, 4042), (47, 3870), (86, 2115), (90, 2021), (94, 1935), (129, 1410), (141, 1290), (215, 846), (235, 774), (258, 705), (282, 645), (387, 470), (423, 430)]