68851440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:764

約数の個数: 240

約数和(自身を含む): 278553600

約数和(自身を除く): 209702160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 719, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1438, 1520, 1596, 1680, 1710, 1995, 2128, 2157, 2280, 2394, 2520, 2660, 2736, 2876, 3192, 3420, 3595, 3990, 4314, 4560, 4788, 5033, 5040, 5320, 5752, 5985, 6384, 6471, 6840, 7190, 7980, 8628, 9576, 10066, 10640, 10785, 11504, 11970, 12942, 13661, 13680, 14380, 15099, 15960, 17256, 19152, 20132, 21570, 23940, 25165, 25884, 27322, 28760, 30198, 31920, 32355, 34512, 40264, 40983, 43140, 45297, 47880, 50330, 51768, 54644, 57520, 60396, 64710, 68305, 75495, 80528, 81966, 86280, 90594, 95627, 95760, 100660, 103536, 109288, 120792, 122949, 129420, 136610, 150990, 163932, 172560, 181188, 191254, 201320, 204915, 218576, 226485, 241584, 245898, 258840, 273220, 286881, 301980, 327864, 362376, 382508, 402640, 409830, 452970, 478135, 491796, 517680, 546440, 573762, 603960, 614745, 655728, 724752, 765016, 819660, 860643, 905940, 956270, 983592, 1092880, 1147524, 1207920, 1229490, 1434405, 1530032, 1639320, 1721286, 1811880, 1912540, 1967184, 2295048, 2458980, 2868810, 3278640, 3442572, 3623760, 3825080, 4303215, 4590096, 4917960, 5737620, 6885144, 7650160, 8606430, 9835920, 11475240, 13770288, 17212860, 22950480, 34425720, 68851440]

約数ペア:

[(1, 68851440), (2, 34425720), (3, 22950480), (4, 17212860), (5, 13770288), (6, 11475240), (7, 9835920), (8, 8606430), (9, 7650160), (10, 6885144), (12, 5737620), (14, 4917960), (15, 4590096), (16, 4303215), (18, 3825080), (19, 3623760), (20, 3442572), (21, 3278640), (24, 2868810), (28, 2458980), (30, 2295048), (35, 1967184), (36, 1912540), (38, 1811880), (40, 1721286), (42, 1639320), (45, 1530032), (48, 1434405), (56, 1229490), (57, 1207920), (60, 1147524), (63, 1092880), (70, 983592), (72, 956270), (76, 905940), (80, 860643), (84, 819660), (90, 765016), (95, 724752), (105, 655728), (112, 614745), (114, 603960), (120, 573762), (126, 546440), (133, 517680), (140, 491796), (144, 478135), (152, 452970), (168, 409830), (171, 402640), (180, 382508), (190, 362376), (210, 327864), (228, 301980), (240, 286881), (252, 273220), (266, 258840), (280, 245898), (285, 241584), (304, 226485), (315, 218576), (336, 204915), (342, 201320), (360, 191254), (380, 181188), (399, 172560), (420, 163932), (456, 150990), (504, 136610), (532, 129420), (560, 122949), (570, 120792), (630, 109288), (665, 103536), (684, 100660), (719, 95760), (720, 95627), (760, 90594), (798, 86280), (840, 81966), (855, 80528), (912, 75495), (1008, 68305), (1064, 64710), (1140, 60396), (1197, 57520), (1260, 54644), (1330, 51768), (1368, 50330), (1438, 47880), (1520, 45297), (1596, 43140), (1680, 40983), (1710, 40264), (1995, 34512), (2128, 32355), (2157, 31920), (2280, 30198), (2394, 28760), (2520, 27322), (2660, 25884), (2736, 25165), (2876, 23940), (3192, 21570), (3420, 20132), (3595, 19152), (3990, 17256), (4314, 15960), (4560, 15099), (4788, 14380), (5033, 13680), (5040, 13661), (5320, 12942), (5752, 11970), (5985, 11504), (6384, 10785), (6471, 10640), (6840, 10066), (7190, 9576), (7980, 8628)]