15644220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13723}}^1$

素因数の和:13754

約数の個数: 48

約数和(自身を含む): 46112640

約数和(自身を除く): 30468420

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, 13723, 27446, 41169, 54892, 68615, 82338, 137230, 164676, 205845, 260737, 274460, 411690, 521474, 782211, 823380, 1042948, 1303685, 1564422, 2607370, 3128844, 3911055, 5214740, 7822110, 15644220]

約数ペア:

[(1, 15644220), (2, 7822110), (3, 5214740), (4, 3911055), (5, 3128844), (6, 2607370), (10, 1564422), (12, 1303685), (15, 1042948), (19, 823380), (20, 782211), (30, 521474), (38, 411690), (57, 274460), (60, 260737), (76, 205845), (95, 164676), (114, 137230), (190, 82338), (228, 68615), (285, 54892), (380, 41169), (570, 27446), (1140, 13723)]