1780147140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{486379}}^1$

素因数の和:486452

約数の個数: 48

約数和(自身を含む): 5066134080

約数和(自身を除く): 3285986940

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, 486379, 972758, 1459137, 1945516, 2431895, 2918274, 4863790, 5836548, 7295685, 9727580, 14591370, 29182740, 29669119, 59338238, 89007357, 118676476, 148345595, 178014714, 296691190, 356029428, 445036785, 593382380, 890073570, 1780147140]

約数ペア:

[(1, 1780147140), (2, 890073570), (3, 593382380), (4, 445036785), (5, 356029428), (6, 296691190), (10, 178014714), (12, 148345595), (15, 118676476), (20, 89007357), (30, 59338238), (60, 29669119), (61, 29182740), (122, 14591370), (183, 9727580), (244, 7295685), (305, 5836548), (366, 4863790), (610, 2918274), (732, 2431895), (915, 1945516), (1220, 1459137), (1830, 972758), (3660, 486379)]