1501780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 3822336

約数和(自身を除く): 2320556

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 631, 1190, 1262, 2380, 2524, 3155, 4417, 6310, 8834, 10727, 12620, 17668, 21454, 22085, 42908, 44170, 53635, 75089, 88340, 107270, 150178, 214540, 300356, 375445, 750890, 1501780]

約数ペア:

[(1, 1501780), (2, 750890), (4, 375445), (5, 300356), (7, 214540), (10, 150178), (14, 107270), (17, 88340), (20, 75089), (28, 53635), (34, 44170), (35, 42908), (68, 22085), (70, 21454), (85, 17668), (119, 12620), (140, 10727), (170, 8834), (238, 6310), (340, 4417), (476, 3155), (595, 2524), (631, 2380), (1190, 1262)]