19809120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41269}}^1$

素因数の和:41287

約数の個数: 48

約数和(自身を含む): 62400240

約数和(自身を除く): 42591120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41269, 82538, 123807, 165076, 206345, 247614, 330152, 412690, 495228, 619035, 660304, 825380, 990456, 1238070, 1320608, 1650760, 1980912, 2476140, 3301520, 3961824, 4952280, 6603040, 9904560, 19809120]

約数ペア:

[(1, 19809120), (2, 9904560), (3, 6603040), (4, 4952280), (5, 3961824), (6, 3301520), (8, 2476140), (10, 1980912), (12, 1650760), (15, 1320608), (16, 1238070), (20, 990456), (24, 825380), (30, 660304), (32, 619035), (40, 495228), (48, 412690), (60, 330152), (80, 247614), (96, 206345), (120, 165076), (160, 123807), (240, 82538), (480, 41269)]