87991020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1272

約数の個数: 144

約数和(自身を含む): 296954112

約数和(自身を除く): 208963092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1213, 1395, 1612, 1860, 2015, 2340, 2418, 2426, 2790, 3627, 3639, 4030, 4836, 4852, 5580, 6045, 6065, 7254, 7278, 8060, 10917, 12090, 12130, 14508, 14556, 15769, 18135, 18195, 21834, 24180, 24260, 31538, 36270, 36390, 37603, 43668, 47307, 54585, 63076, 72540, 72780, 75206, 78845, 94614, 109170, 112809, 141921, 150412, 157690, 188015, 189228, 218340, 225618, 236535, 283842, 315380, 338427, 376030, 451236, 473070, 488839, 564045, 567684, 676854, 709605, 752060, 946140, 977678, 1128090, 1353708, 1419210, 1466517, 1692135, 1955356, 2256180, 2444195, 2838420, 2933034, 3384270, 4399551, 4888390, 5866068, 6768540, 7332585, 8799102, 9776780, 14665170, 17598204, 21997755, 29330340, 43995510, 87991020]

約数ペア:

[(1, 87991020), (2, 43995510), (3, 29330340), (4, 21997755), (5, 17598204), (6, 14665170), (9, 9776780), (10, 8799102), (12, 7332585), (13, 6768540), (15, 5866068), (18, 4888390), (20, 4399551), (26, 3384270), (30, 2933034), (31, 2838420), (36, 2444195), (39, 2256180), (45, 1955356), (52, 1692135), (60, 1466517), (62, 1419210), (65, 1353708), (78, 1128090), (90, 977678), (93, 946140), (117, 752060), (124, 709605), (130, 676854), (155, 567684), (156, 564045), (180, 488839), (186, 473070), (195, 451236), (234, 376030), (260, 338427), (279, 315380), (310, 283842), (372, 236535), (390, 225618), (403, 218340), (465, 189228), (468, 188015), (558, 157690), (585, 150412), (620, 141921), (780, 112809), (806, 109170), (930, 94614), (1116, 78845), (1170, 75206), (1209, 72780), (1213, 72540), (1395, 63076), (1612, 54585), (1860, 47307), (2015, 43668), (2340, 37603), (2418, 36390), (2426, 36270), (2790, 31538), (3627, 24260), (3639, 24180), (4030, 21834), (4836, 18195), (4852, 18135), (5580, 15769), (6045, 14556), (6065, 14508), (7254, 12130), (7278, 12090), (8060, 10917)]