15815220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13873}}^1$

素因数の和:13904

約数の個数: 48

約数和(自身を含む): 46616640

約数和(自身を除く): 30801420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 13873, 27746, 41619, 55492, 69365, 83238, 138730, 166476, 208095, 263587, 277460, 416190, 527174, 790761, 832380, 1054348, 1317935, 1581522, 2635870, 3163044, 3953805, 5271740, 7907610, 15815220]

約数ペア:

[(1, 15815220), (2, 7907610), (3, 5271740), (4, 3953805), (5, 3163044), (6, 2635870), (10, 1581522), (12, 1317935), (15, 1054348), (19, 832380), (20, 790761), (30, 527174), (38, 416190), (57, 277460), (60, 263587), (76, 208095), (95, 166476), (114, 138730), (190, 83238), (228, 69365), (285, 55492), (380, 41619), (570, 27746), (1140, 13873)]