15639810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 39481344

約数和(自身を除く): 23841534

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 67, 93, 134, 155, 186, 201, 251, 310, 335, 402, 465, 502, 670, 753, 930, 1005, 1255, 1506, 2010, 2077, 2510, 3765, 4154, 6231, 7530, 7781, 10385, 12462, 15562, 16817, 20770, 23343, 31155, 33634, 38905, 46686, 50451, 62310, 77810, 84085, 100902, 116715, 168170, 233430, 252255, 504510, 521327, 1042654, 1563981, 2606635, 3127962, 5213270, 7819905, 15639810]

約数ペア:

[(1, 15639810), (2, 7819905), (3, 5213270), (5, 3127962), (6, 2606635), (10, 1563981), (15, 1042654), (30, 521327), (31, 504510), (62, 252255), (67, 233430), (93, 168170), (134, 116715), (155, 100902), (186, 84085), (201, 77810), (251, 62310), (310, 50451), (335, 46686), (402, 38905), (465, 33634), (502, 31155), (670, 23343), (753, 20770), (930, 16817), (1005, 15562), (1255, 12462), (1506, 10385), (2010, 7781), (2077, 7530), (2510, 6231), (3765, 4154)]