28567560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 99532800

約数和(自身を除く): 70965240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 479, 497, 568, 710, 840, 852, 958, 994, 1065, 1420, 1437, 1491, 1704, 1916, 1988, 2130, 2395, 2485, 2840, 2874, 2982, 3353, 3832, 3976, 4260, 4790, 4970, 5748, 5964, 6706, 7185, 7455, 8520, 9580, 9940, 10059, 11496, 11928, 13412, 14370, 14910, 16765, 19160, 19880, 20118, 26824, 28740, 29820, 33530, 34009, 40236, 50295, 57480, 59640, 67060, 68018, 80472, 100590, 102027, 134120, 136036, 170045, 201180, 204054, 238063, 272072, 340090, 402360, 408108, 476126, 510135, 680180, 714189, 816216, 952252, 1020270, 1190315, 1360360, 1428378, 1904504, 2040540, 2380630, 2856756, 3570945, 4081080, 4761260, 5713512, 7141890, 9522520, 14283780, 28567560]

約数ペア:

[(1, 28567560), (2, 14283780), (3, 9522520), (4, 7141890), (5, 5713512), (6, 4761260), (7, 4081080), (8, 3570945), (10, 2856756), (12, 2380630), (14, 2040540), (15, 1904504), (20, 1428378), (21, 1360360), (24, 1190315), (28, 1020270), (30, 952252), (35, 816216), (40, 714189), (42, 680180), (56, 510135), (60, 476126), (70, 408108), (71, 402360), (84, 340090), (105, 272072), (120, 238063), (140, 204054), (142, 201180), (168, 170045), (210, 136036), (213, 134120), (280, 102027), (284, 100590), (355, 80472), (420, 68018), (426, 67060), (479, 59640), (497, 57480), (568, 50295), (710, 40236), (840, 34009), (852, 33530), (958, 29820), (994, 28740), (1065, 26824), (1420, 20118), (1437, 19880), (1491, 19160), (1704, 16765), (1916, 14910), (1988, 14370), (2130, 13412), (2395, 11928), (2485, 11496), (2840, 10059), (2874, 9940), (2982, 9580), (3353, 8520), (3832, 7455), (3976, 7185), (4260, 6706), (4790, 5964), (4970, 5748)]