261615510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7213}}^1$

素因数の和:7270

約数の個数: 96

約数和(自身を含む): 756258048

約数和(自身を除く): 494642538

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 186, 195, 234, 279, 310, 390, 403, 465, 558, 585, 806, 930, 1170, 1209, 1395, 2015, 2418, 2790, 3627, 4030, 6045, 7213, 7254, 12090, 14426, 18135, 21639, 36065, 36270, 43278, 64917, 72130, 93769, 108195, 129834, 187538, 216390, 223603, 281307, 324585, 447206, 468845, 562614, 649170, 670809, 843921, 937690, 1118015, 1341618, 1406535, 1687842, 2012427, 2236030, 2813070, 2906839, 3354045, 4024854, 4219605, 5813678, 6708090, 8439210, 8720517, 10062135, 14534195, 17441034, 20124270, 26161551, 29068390, 43602585, 52323102, 87205170, 130807755, 261615510]

約数ペア:

[(1, 261615510), (2, 130807755), (3, 87205170), (5, 52323102), (6, 43602585), (9, 29068390), (10, 26161551), (13, 20124270), (15, 17441034), (18, 14534195), (26, 10062135), (30, 8720517), (31, 8439210), (39, 6708090), (45, 5813678), (62, 4219605), (65, 4024854), (78, 3354045), (90, 2906839), (93, 2813070), (117, 2236030), (130, 2012427), (155, 1687842), (186, 1406535), (195, 1341618), (234, 1118015), (279, 937690), (310, 843921), (390, 670809), (403, 649170), (465, 562614), (558, 468845), (585, 447206), (806, 324585), (930, 281307), (1170, 223603), (1209, 216390), (1395, 187538), (2015, 129834), (2418, 108195), (2790, 93769), (3627, 72130), (4030, 64917), (6045, 43278), (7213, 36270), (7254, 36065), (12090, 21639), (14426, 18135)]