80552640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11987}}^1$

素因数の和:12014

約数の個数: 112

約数和(自身を含む): 292315392

約数和(自身を除く): 211762752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 11987, 23974, 35961, 47948, 59935, 71922, 83909, 95896, 119870, 143844, 167818, 179805, 191792, 239740, 251727, 287688, 335636, 359610, 383584, 419545, 479480, 503454, 575376, 671272, 719220, 767168, 839090, 958960, 1006908, 1150752, 1258635, 1342544, 1438440, 1678180, 1917920, 2013816, 2301504, 2517270, 2685088, 2876880, 3356360, 3835840, 4027632, 5034540, 5370176, 5753760, 6712720, 8055264, 10069080, 11507520, 13425440, 16110528, 20138160, 26850880, 40276320, 80552640]

約数ペア:

[(1, 80552640), (2, 40276320), (3, 26850880), (4, 20138160), (5, 16110528), (6, 13425440), (7, 11507520), (8, 10069080), (10, 8055264), (12, 6712720), (14, 5753760), (15, 5370176), (16, 5034540), (20, 4027632), (21, 3835840), (24, 3356360), (28, 2876880), (30, 2685088), (32, 2517270), (35, 2301504), (40, 2013816), (42, 1917920), (48, 1678180), (56, 1438440), (60, 1342544), (64, 1258635), (70, 1150752), (80, 1006908), (84, 958960), (96, 839090), (105, 767168), (112, 719220), (120, 671272), (140, 575376), (160, 503454), (168, 479480), (192, 419545), (210, 383584), (224, 359610), (240, 335636), (280, 287688), (320, 251727), (336, 239740), (420, 191792), (448, 179805), (480, 167818), (560, 143844), (672, 119870), (840, 95896), (960, 83909), (1120, 71922), (1344, 59935), (1680, 47948), (2240, 35961), (3360, 23974), (6720, 11987)]