2422740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 6854400

約数和(自身を除く): 4431660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 271, 298, 447, 542, 596, 745, 813, 894, 1084, 1355, 1490, 1626, 1788, 2235, 2710, 2980, 3252, 4065, 4470, 5420, 8130, 8940, 16260, 40379, 80758, 121137, 161516, 201895, 242274, 403790, 484548, 605685, 807580, 1211370, 2422740]

約数ペア:

[(1, 2422740), (2, 1211370), (3, 807580), (4, 605685), (5, 484548), (6, 403790), (10, 242274), (12, 201895), (15, 161516), (20, 121137), (30, 80758), (60, 40379), (149, 16260), (271, 8940), (298, 8130), (447, 5420), (542, 4470), (596, 4065), (745, 3252), (813, 2980), (894, 2710), (1084, 2235), (1355, 1788), (1490, 1626)]