1640460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 4838400

約数和(自身を除く): 3197940

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, 1439, 2878, 4317, 5756, 7195, 8634, 14390, 17268, 21585, 27341, 28780, 43170, 54682, 82023, 86340, 109364, 136705, 164046, 273410, 328092, 410115, 546820, 820230, 1640460]

約数ペア:

[(1, 1640460), (2, 820230), (3, 546820), (4, 410115), (5, 328092), (6, 273410), (10, 164046), (12, 136705), (15, 109364), (19, 86340), (20, 82023), (30, 54682), (38, 43170), (57, 28780), (60, 27341), (76, 21585), (95, 17268), (114, 14390), (190, 8634), (228, 7195), (285, 5756), (380, 4317), (570, 2878), (1140, 1439)]