1245554765

素因数分解:

$5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 1965091968

約数和(自身を除く): 719537203

約数列:

[1, 5, 7, 13, 23, 35, 49, 65, 91, 115, 161, 245, 299, 343, 347, 455, 637, 805, 1127, 1495, 1715, 1735, 2093, 2401, 2429, 3185, 4459, 4511, 5635, 7889, 7981, 10465, 12005, 12145, 14651, 17003, 22295, 22555, 31213, 31577, 39445, 39905, 55223, 55867, 73255, 85015, 102557, 103753, 119021, 156065, 157885, 221039, 276115, 279335, 391069, 512785, 518765, 595105, 717899, 726271, 833147, 1105195, 1547273, 1955345, 2737483, 3589495, 3631355, 4165735, 5083897, 7736365, 10830911, 13687415, 19162381, 25419485, 35587279, 54154555, 95811905, 177936395, 249110953, 1245554765]

約数ペア:

[(1, 1245554765), (5, 249110953), (7, 177936395), (13, 95811905), (23, 54154555), (35, 35587279), (49, 25419485), (65, 19162381), (91, 13687415), (115, 10830911), (161, 7736365), (245, 5083897), (299, 4165735), (343, 3631355), (347, 3589495), (455, 2737483), (637, 1955345), (805, 1547273), (1127, 1105195), (1495, 833147), (1715, 726271), (1735, 717899), (2093, 595105), (2401, 518765), (2429, 512785), (3185, 391069), (4459, 279335), (4511, 276115), (5635, 221039), (7889, 157885), (7981, 156065), (10465, 119021), (12005, 103753), (12145, 102557), (14651, 85015), (17003, 73255), (22295, 55867), (22555, 55223), (31213, 39905), (31577, 39445)]