81716880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:533

約数の個数: 160

約数和(自身を含む): 292552704

約数和(自身を除く): 210835824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 127, 140, 168, 210, 240, 254, 280, 336, 381, 383, 420, 508, 560, 635, 762, 766, 840, 889, 1016, 1149, 1270, 1524, 1532, 1680, 1778, 1905, 1915, 2032, 2298, 2540, 2667, 2681, 3048, 3064, 3556, 3810, 3830, 4445, 4596, 5080, 5334, 5362, 5745, 6096, 6128, 7112, 7620, 7660, 8043, 8890, 9192, 10160, 10668, 10724, 11490, 13335, 13405, 14224, 15240, 15320, 16086, 17780, 18384, 21336, 21448, 22980, 26670, 26810, 30480, 30640, 32172, 35560, 40215, 42672, 42896, 45960, 48641, 53340, 53620, 64344, 71120, 80430, 91920, 97282, 106680, 107240, 128688, 145923, 160860, 194564, 213360, 214480, 243205, 291846, 321720, 340487, 389128, 486410, 583692, 643440, 680974, 729615, 778256, 972820, 1021461, 1167384, 1361948, 1459230, 1702435, 1945640, 2042922, 2334768, 2723896, 2918460, 3404870, 3891280, 4085844, 5107305, 5447792, 5836920, 6809740, 8171688, 10214610, 11673840, 13619480, 16343376, 20429220, 27238960, 40858440, 81716880]

約数ペア:

[(1, 81716880), (2, 40858440), (3, 27238960), (4, 20429220), (5, 16343376), (6, 13619480), (7, 11673840), (8, 10214610), (10, 8171688), (12, 6809740), (14, 5836920), (15, 5447792), (16, 5107305), (20, 4085844), (21, 3891280), (24, 3404870), (28, 2918460), (30, 2723896), (35, 2334768), (40, 2042922), (42, 1945640), (48, 1702435), (56, 1459230), (60, 1361948), (70, 1167384), (80, 1021461), (84, 972820), (105, 778256), (112, 729615), (120, 680974), (127, 643440), (140, 583692), (168, 486410), (210, 389128), (240, 340487), (254, 321720), (280, 291846), (336, 243205), (381, 214480), (383, 213360), (420, 194564), (508, 160860), (560, 145923), (635, 128688), (762, 107240), (766, 106680), (840, 97282), (889, 91920), (1016, 80430), (1149, 71120), (1270, 64344), (1524, 53620), (1532, 53340), (1680, 48641), (1778, 45960), (1905, 42896), (1915, 42672), (2032, 40215), (2298, 35560), (2540, 32172), (2667, 30640), (2681, 30480), (3048, 26810), (3064, 26670), (3556, 22980), (3810, 21448), (3830, 21336), (4445, 18384), (4596, 17780), (5080, 16086), (5334, 15320), (5362, 15240), (5745, 14224), (6096, 13405), (6128, 13335), (7112, 11490), (7620, 10724), (7660, 10668), (8043, 10160), (8890, 9192)]