28280820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7727}}^1$

素因数の和:7800

約数の個数: 48

約数和(自身を含む): 80494848

約数和(自身を除く): 52214028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 7727, 15454, 23181, 30908, 38635, 46362, 77270, 92724, 115905, 154540, 231810, 463620, 471347, 942694, 1414041, 1885388, 2356735, 2828082, 4713470, 5656164, 7070205, 9426940, 14140410, 28280820]

約数ペア:

[(1, 28280820), (2, 14140410), (3, 9426940), (4, 7070205), (5, 5656164), (6, 4713470), (10, 2828082), (12, 2356735), (15, 1885388), (20, 1414041), (30, 942694), (60, 471347), (61, 463620), (122, 231810), (183, 154540), (244, 115905), (305, 92724), (366, 77270), (610, 46362), (732, 38635), (915, 30908), (1220, 23181), (1830, 15454), (3660, 7727)]