181507860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3181}}^1$

素因数の和:3513

約数の個数: 72

約数和(自身を含む): 552484296

約数和(自身を除く): 370976436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 317, 634, 951, 1268, 1585, 1902, 2853, 3170, 3181, 3804, 4755, 5706, 6340, 6362, 9510, 9543, 11412, 12724, 14265, 15905, 19020, 19086, 28530, 28629, 31810, 38172, 47715, 57060, 57258, 63620, 95430, 114516, 143145, 190860, 286290, 572580, 1008377, 2016754, 3025131, 4033508, 5041885, 6050262, 9075393, 10083770, 12100524, 15125655, 18150786, 20167540, 30251310, 36301572, 45376965, 60502620, 90753930, 181507860]

約数ペア:

[(1, 181507860), (2, 90753930), (3, 60502620), (4, 45376965), (5, 36301572), (6, 30251310), (9, 20167540), (10, 18150786), (12, 15125655), (15, 12100524), (18, 10083770), (20, 9075393), (30, 6050262), (36, 5041885), (45, 4033508), (60, 3025131), (90, 2016754), (180, 1008377), (317, 572580), (634, 286290), (951, 190860), (1268, 143145), (1585, 114516), (1902, 95430), (2853, 63620), (3170, 57258), (3181, 57060), (3804, 47715), (4755, 38172), (5706, 31810), (6340, 28629), (6362, 28530), (9510, 19086), (9543, 19020), (11412, 15905), (12724, 14265)]