30901590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2621}}^1$

素因数の和:2765

約数の個数: 48

約数和(自身を含む): 80988336

約数和(自身を除く): 50086746

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 2621, 3930, 5242, 5895, 7863, 11790, 13105, 15726, 23589, 26210, 39315, 47178, 78630, 117945, 235890, 343351, 686702, 1030053, 1716755, 2060106, 3090159, 3433510, 5150265, 6180318, 10300530, 15450795, 30901590]

約数ペア:

[(1, 30901590), (2, 15450795), (3, 10300530), (5, 6180318), (6, 5150265), (9, 3433510), (10, 3090159), (15, 2060106), (18, 1716755), (30, 1030053), (45, 686702), (90, 343351), (131, 235890), (262, 117945), (393, 78630), (655, 47178), (786, 39315), (1179, 26210), (1310, 23589), (1965, 15726), (2358, 13105), (2621, 11790), (3930, 7863), (5242, 5895)]