68560815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 121347072

約数和(自身を除く): 52786257

約数列:

[1, 3, 5, 15, 23, 37, 41, 69, 111, 115, 123, 131, 185, 205, 345, 393, 555, 615, 655, 851, 943, 1517, 1965, 2553, 2829, 3013, 4255, 4551, 4715, 4847, 5371, 7585, 9039, 12765, 14145, 14541, 15065, 16113, 22755, 24235, 26855, 34891, 45195, 72705, 80565, 104673, 111481, 123533, 174455, 198727, 334443, 370599, 523365, 557405, 596181, 617665, 993635, 1672215, 1852995, 2980905, 4570721, 13712163, 22853605, 68560815]

約数ペア:

[(1, 68560815), (3, 22853605), (5, 13712163), (15, 4570721), (23, 2980905), (37, 1852995), (41, 1672215), (69, 993635), (111, 617665), (115, 596181), (123, 557405), (131, 523365), (185, 370599), (205, 334443), (345, 198727), (393, 174455), (555, 123533), (615, 111481), (655, 104673), (851, 80565), (943, 72705), (1517, 45195), (1965, 34891), (2553, 26855), (2829, 24235), (3013, 22755), (4255, 16113), (4551, 15065), (4715, 14541), (4847, 14145), (5371, 12765), (7585, 9039)]