15728220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1481}}^1$

素因数の和:1555

約数の個数: 72

約数和(自身を含む): 48550320

約数和(自身を除く): 32822100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1481, 1770, 2124, 2655, 2962, 3540, 4443, 5310, 5924, 7405, 8886, 10620, 13329, 14810, 17772, 22215, 26658, 29620, 44430, 53316, 66645, 87379, 88860, 133290, 174758, 262137, 266580, 349516, 436895, 524274, 786411, 873790, 1048548, 1310685, 1572822, 1747580, 2621370, 3145644, 3932055, 5242740, 7864110, 15728220]

約数ペア:

[(1, 15728220), (2, 7864110), (3, 5242740), (4, 3932055), (5, 3145644), (6, 2621370), (9, 1747580), (10, 1572822), (12, 1310685), (15, 1048548), (18, 873790), (20, 786411), (30, 524274), (36, 436895), (45, 349516), (59, 266580), (60, 262137), (90, 174758), (118, 133290), (177, 88860), (180, 87379), (236, 66645), (295, 53316), (354, 44430), (531, 29620), (590, 26658), (708, 22215), (885, 17772), (1062, 14810), (1180, 13329), (1481, 10620), (1770, 8886), (2124, 7405), (2655, 5924), (2962, 5310), (3540, 4443)]