28813680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{5717}}^1$

素因数の和:5743

約数の個数: 120

約数和(自身を含む): 110608992

約数和(自身を除く): 81795312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 5717, 11434, 17151, 22868, 28585, 34302, 40019, 45736, 51453, 57170, 68604, 80038, 85755, 91472, 102906, 114340, 120057, 137208, 160076, 171510, 200095, 205812, 228680, 240114, 257265, 274416, 320152, 343020, 360171, 400190, 411624, 457360, 480228, 514530, 600285, 640304, 686040, 720342, 800380, 823248, 960456, 1029060, 1200570, 1372080, 1440684, 1600760, 1800855, 1920912, 2058120, 2401140, 2881368, 3201520, 3601710, 4116240, 4802280, 5762736, 7203420, 9604560, 14406840, 28813680]

約数ペア:

[(1, 28813680), (2, 14406840), (3, 9604560), (4, 7203420), (5, 5762736), (6, 4802280), (7, 4116240), (8, 3601710), (9, 3201520), (10, 2881368), (12, 2401140), (14, 2058120), (15, 1920912), (16, 1800855), (18, 1600760), (20, 1440684), (21, 1372080), (24, 1200570), (28, 1029060), (30, 960456), (35, 823248), (36, 800380), (40, 720342), (42, 686040), (45, 640304), (48, 600285), (56, 514530), (60, 480228), (63, 457360), (70, 411624), (72, 400190), (80, 360171), (84, 343020), (90, 320152), (105, 274416), (112, 257265), (120, 240114), (126, 228680), (140, 205812), (144, 200095), (168, 171510), (180, 160076), (210, 137208), (240, 120057), (252, 114340), (280, 102906), (315, 91472), (336, 85755), (360, 80038), (420, 68604), (504, 57170), (560, 51453), (630, 45736), (720, 40019), (840, 34302), (1008, 28585), (1260, 22868), (1680, 17151), (2520, 11434), (5040, 5717)]