2660820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 7582848

約数和(自身を除く): 4922028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 727, 732, 915, 1220, 1454, 1830, 2181, 2908, 3635, 3660, 4362, 7270, 8724, 10905, 14540, 21810, 43620, 44347, 88694, 133041, 177388, 221735, 266082, 443470, 532164, 665205, 886940, 1330410, 2660820]

約数ペア:

[(1, 2660820), (2, 1330410), (3, 886940), (4, 665205), (5, 532164), (6, 443470), (10, 266082), (12, 221735), (15, 177388), (20, 133041), (30, 88694), (60, 44347), (61, 43620), (122, 21810), (183, 14540), (244, 10905), (305, 8724), (366, 7270), (610, 4362), (727, 3660), (732, 3635), (915, 2908), (1220, 2181), (1454, 1830)]