28871882760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{321227}}^1$

素因数の和:321355

約数の個数: 128

約数和(自身を含む): 99914757120

約数和(自身を除く): 71042874360

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, 84, 105, 107, 120, 140, 168, 210, 214, 280, 321, 420, 428, 535, 642, 749, 840, 856, 1070, 1284, 1498, 1605, 2140, 2247, 2568, 2996, 3210, 3745, 4280, 4494, 5992, 6420, 7490, 8988, 11235, 12840, 14980, 17976, 22470, 29960, 44940, 89880, 321227, 642454, 963681, 1284908, 1606135, 1927362, 2248589, 2569816, 3212270, 3854724, 4497178, 4818405, 6424540, 6745767, 7709448, 8994356, 9636810, 11242945, 12849080, 13491534, 17988712, 19273620, 22485890, 26983068, 33728835, 34371289, 38547240, 44971780, 53966136, 67457670, 68742578, 89943560, 103113867, 134915340, 137485156, 171856445, 206227734, 240599023, 269830680, 274970312, 343712890, 412455468, 481198046, 515569335, 687425780, 721797069, 824910936, 962396092, 1031138670, 1202995115, 1374851560, 1443594138, 1924792184, 2062277340, 2405990230, 2887188276, 3608985345, 4124554680, 4811980460, 5774376552, 7217970690, 9623960920, 14435941380, 28871882760]

約数ペア:

[(1, 28871882760), (2, 14435941380), (3, 9623960920), (4, 7217970690), (5, 5774376552), (6, 4811980460), (7, 4124554680), (8, 3608985345), (10, 2887188276), (12, 2405990230), (14, 2062277340), (15, 1924792184), (20, 1443594138), (21, 1374851560), (24, 1202995115), (28, 1031138670), (30, 962396092), (35, 824910936), (40, 721797069), (42, 687425780), (56, 515569335), (60, 481198046), (70, 412455468), (84, 343712890), (105, 274970312), (107, 269830680), (120, 240599023), (140, 206227734), (168, 171856445), (210, 137485156), (214, 134915340), (280, 103113867), (321, 89943560), (420, 68742578), (428, 67457670), (535, 53966136), (642, 44971780), (749, 38547240), (840, 34371289), (856, 33728835), (1070, 26983068), (1284, 22485890), (1498, 19273620), (1605, 17988712), (2140, 13491534), (2247, 12849080), (2568, 11242945), (2996, 9636810), (3210, 8994356), (3745, 7709448), (4280, 6745767), (4494, 6424540), (5992, 4818405), (6420, 4497178), (7490, 3854724), (8988, 3212270), (11235, 2569816), (12840, 2248589), (14980, 1927362), (17976, 1606135), (22470, 1284908), (29960, 963681), (44940, 642454), (89880, 321227)]