28736652800

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{72421}}^1$

素因数の和:72480

約数の個数: 120

約数和(自身を含む): 73495004352

約数和(自身を除く): 44758351552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 620, 640, 775, 800, 992, 1240, 1280, 1550, 1600, 1984, 2480, 2560, 3100, 3200, 3968, 4960, 6200, 6400, 7936, 9920, 12400, 12800, 15872, 19840, 24800, 39680, 49600, 72421, 79360, 99200, 144842, 198400, 289684, 362105, 396800, 579368, 724210, 1158736, 1448420, 1810525, 2245051, 2317472, 2896840, 3621050, 4490102, 4634944, 5793680, 7242100, 8980204, 9269888, 11225255, 11587360, 14484200, 17960408, 18539776, 22450510, 23174720, 28968400, 35920816, 37079552, 44901020, 46349440, 56126275, 57936800, 71841632, 89802040, 92698880, 112252550, 115873600, 143683264, 179604080, 185397760, 224505100, 231747200, 287366528, 359208160, 449010200, 463494400, 574733056, 718416320, 898020400, 926988800, 1149466112, 1436832640, 1796040800, 2873665280, 3592081600, 5747330560, 7184163200, 14368326400, 28736652800]

約数ペア:

[(1, 28736652800), (2, 14368326400), (4, 7184163200), (5, 5747330560), (8, 3592081600), (10, 2873665280), (16, 1796040800), (20, 1436832640), (25, 1149466112), (31, 926988800), (32, 898020400), (40, 718416320), (50, 574733056), (62, 463494400), (64, 449010200), (80, 359208160), (100, 287366528), (124, 231747200), (128, 224505100), (155, 185397760), (160, 179604080), (200, 143683264), (248, 115873600), (256, 112252550), (310, 92698880), (320, 89802040), (400, 71841632), (496, 57936800), (512, 56126275), (620, 46349440), (640, 44901020), (775, 37079552), (800, 35920816), (992, 28968400), (1240, 23174720), (1280, 22450510), (1550, 18539776), (1600, 17960408), (1984, 14484200), (2480, 11587360), (2560, 11225255), (3100, 9269888), (3200, 8980204), (3968, 7242100), (4960, 5793680), (6200, 4634944), (6400, 4490102), (7936, 3621050), (9920, 2896840), (12400, 2317472), (12800, 2245051), (15872, 1810525), (19840, 1448420), (24800, 1158736), (39680, 724210), (49600, 579368), (72421, 396800), (79360, 362105), (99200, 289684), (144842, 198400)]