80555580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:337

約数の個数: 192

約数和(自身を含む): 290626560

約数和(自身を除く): 210070980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 101, 105, 108, 126, 135, 140, 180, 189, 202, 210, 211, 252, 270, 303, 315, 378, 404, 420, 422, 505, 540, 606, 630, 633, 707, 756, 844, 909, 945, 1010, 1055, 1212, 1260, 1266, 1414, 1477, 1515, 1818, 1890, 1899, 2020, 2110, 2121, 2532, 2727, 2828, 2954, 3030, 3165, 3535, 3636, 3780, 3798, 4220, 4242, 4431, 4545, 5454, 5697, 5908, 6060, 6330, 6363, 7070, 7385, 7596, 8484, 8862, 9090, 9495, 10605, 10908, 11394, 12660, 12726, 13293, 13635, 14140, 14770, 17724, 18180, 18990, 19089, 21210, 21311, 22155, 22788, 25452, 26586, 27270, 28485, 29540, 31815, 37980, 38178, 39879, 42420, 42622, 44310, 53172, 54540, 56970, 63630, 63933, 66465, 76356, 79758, 85244, 88620, 95445, 106555, 113940, 127260, 127866, 132930, 149177, 159516, 190890, 191799, 199395, 213110, 255732, 265860, 298354, 319665, 381780, 383598, 398790, 426220, 447531, 575397, 596708, 639330, 745885, 767196, 797580, 895062, 958995, 1150794, 1278660, 1342593, 1491770, 1790124, 1917990, 2237655, 2301588, 2685186, 2876985, 2983540, 3835980, 4027779, 4475310, 5370372, 5753970, 6712965, 8055558, 8950620, 11507940, 13425930, 16111116, 20138895, 26851860, 40277790, 80555580]

約数ペア:

[(1, 80555580), (2, 40277790), (3, 26851860), (4, 20138895), (5, 16111116), (6, 13425930), (7, 11507940), (9, 8950620), (10, 8055558), (12, 6712965), (14, 5753970), (15, 5370372), (18, 4475310), (20, 4027779), (21, 3835980), (27, 2983540), (28, 2876985), (30, 2685186), (35, 2301588), (36, 2237655), (42, 1917990), (45, 1790124), (54, 1491770), (60, 1342593), (63, 1278660), (70, 1150794), (84, 958995), (90, 895062), (101, 797580), (105, 767196), (108, 745885), (126, 639330), (135, 596708), (140, 575397), (180, 447531), (189, 426220), (202, 398790), (210, 383598), (211, 381780), (252, 319665), (270, 298354), (303, 265860), (315, 255732), (378, 213110), (404, 199395), (420, 191799), (422, 190890), (505, 159516), (540, 149177), (606, 132930), (630, 127866), (633, 127260), (707, 113940), (756, 106555), (844, 95445), (909, 88620), (945, 85244), (1010, 79758), (1055, 76356), (1212, 66465), (1260, 63933), (1266, 63630), (1414, 56970), (1477, 54540), (1515, 53172), (1818, 44310), (1890, 42622), (1899, 42420), (2020, 39879), (2110, 38178), (2121, 37980), (2532, 31815), (2727, 29540), (2828, 28485), (2954, 27270), (3030, 26586), (3165, 25452), (3535, 22788), (3636, 22155), (3780, 21311), (3798, 21210), (4220, 19089), (4242, 18990), (4431, 18180), (4545, 17724), (5454, 14770), (5697, 14140), (5908, 13635), (6060, 13293), (6330, 12726), (6363, 12660), (7070, 11394), (7385, 10908), (7596, 10605), (8484, 9495), (8862, 9090)]