321388260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{87811}}^1$

素因数の和:87884

約数の個数: 48

約数和(自身を含む): 914649792

約数和(自身を除く): 593261532

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, 87811, 175622, 263433, 351244, 439055, 526866, 878110, 1053732, 1317165, 1756220, 2634330, 5268660, 5356471, 10712942, 16069413, 21425884, 26782355, 32138826, 53564710, 64277652, 80347065, 107129420, 160694130, 321388260]

約数ペア:

[(1, 321388260), (2, 160694130), (3, 107129420), (4, 80347065), (5, 64277652), (6, 53564710), (10, 32138826), (12, 26782355), (15, 21425884), (20, 16069413), (30, 10712942), (60, 5356471), (61, 5268660), (122, 2634330), (183, 1756220), (244, 1317165), (305, 1053732), (366, 878110), (610, 526866), (732, 439055), (915, 351244), (1220, 263433), (1830, 175622), (3660, 87811)]