31455990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1931}}^1$

素因数の和:2125

約数の個数: 48

約数和(自身を含む): 82280016

約数和(自身を除く): 50824026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1629, 1810, 1931, 2715, 3258, 3862, 5430, 5793, 8145, 9655, 11586, 16290, 17379, 19310, 28965, 34758, 57930, 86895, 173790, 349511, 699022, 1048533, 1747555, 2097066, 3145599, 3495110, 5242665, 6291198, 10485330, 15727995, 31455990]

約数ペア:

[(1, 31455990), (2, 15727995), (3, 10485330), (5, 6291198), (6, 5242665), (9, 3495110), (10, 3145599), (15, 2097066), (18, 1747555), (30, 1048533), (45, 699022), (90, 349511), (181, 173790), (362, 86895), (543, 57930), (905, 34758), (1086, 28965), (1629, 19310), (1810, 17379), (1931, 16290), (2715, 11586), (3258, 9655), (3862, 8145), (5430, 5793)]