28636560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1333

約数の個数: 120

約数和(自身を含む): 99350784

約数和(自身を除く): 70714224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1283, 1395, 1488, 1860, 2232, 2480, 2566, 2790, 3720, 3849, 4464, 5132, 5580, 6415, 7440, 7698, 10264, 11160, 11547, 12830, 15396, 19245, 20528, 22320, 23094, 25660, 30792, 38490, 39773, 46188, 51320, 57735, 61584, 76980, 79546, 92376, 102640, 115470, 119319, 153960, 159092, 184752, 198865, 230940, 238638, 307920, 318184, 357957, 397730, 461880, 477276, 596595, 636368, 715914, 795460, 923760, 954552, 1193190, 1431828, 1590920, 1789785, 1909104, 2386380, 2863656, 3181840, 3579570, 4772760, 5727312, 7159140, 9545520, 14318280, 28636560]

約数ペア:

[(1, 28636560), (2, 14318280), (3, 9545520), (4, 7159140), (5, 5727312), (6, 4772760), (8, 3579570), (9, 3181840), (10, 2863656), (12, 2386380), (15, 1909104), (16, 1789785), (18, 1590920), (20, 1431828), (24, 1193190), (30, 954552), (31, 923760), (36, 795460), (40, 715914), (45, 636368), (48, 596595), (60, 477276), (62, 461880), (72, 397730), (80, 357957), (90, 318184), (93, 307920), (120, 238638), (124, 230940), (144, 198865), (155, 184752), (180, 159092), (186, 153960), (240, 119319), (248, 115470), (279, 102640), (310, 92376), (360, 79546), (372, 76980), (465, 61584), (496, 57735), (558, 51320), (620, 46188), (720, 39773), (744, 38490), (930, 30792), (1116, 25660), (1240, 23094), (1283, 22320), (1395, 20528), (1488, 19245), (1860, 15396), (2232, 12830), (2480, 11547), (2566, 11160), (2790, 10264), (3720, 7698), (3849, 7440), (4464, 6415), (5132, 5580)]