38742360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{647}}^1$

素因数の和:1160

約数の個数: 64

約数和(自身を含む): 116640000

約数和(自身を除く): 77897640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 499, 647, 998, 1294, 1497, 1941, 1996, 2495, 2588, 2994, 3235, 3882, 3992, 4990, 5176, 5988, 6470, 7485, 7764, 9705, 9980, 11976, 12940, 14970, 15528, 19410, 19960, 25880, 29940, 38820, 59880, 77640, 322853, 645706, 968559, 1291412, 1614265, 1937118, 2582824, 3228530, 3874236, 4842795, 6457060, 7748472, 9685590, 12914120, 19371180, 38742360]

約数ペア:

[(1, 38742360), (2, 19371180), (3, 12914120), (4, 9685590), (5, 7748472), (6, 6457060), (8, 4842795), (10, 3874236), (12, 3228530), (15, 2582824), (20, 1937118), (24, 1614265), (30, 1291412), (40, 968559), (60, 645706), (120, 322853), (499, 77640), (647, 59880), (998, 38820), (1294, 29940), (1497, 25880), (1941, 19960), (1996, 19410), (2495, 15528), (2588, 14970), (2994, 12940), (3235, 11976), (3882, 9980), (3992, 9705), (4990, 7764), (5176, 7485), (5988, 6470)]