81482760

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 280687680

約数和(自身を除く): 199204920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 83, 90, 101, 108, 120, 135, 162, 166, 180, 202, 216, 243, 249, 270, 303, 324, 332, 360, 404, 405, 415, 486, 498, 505, 540, 606, 648, 664, 747, 808, 810, 830, 909, 972, 996, 1010, 1080, 1212, 1215, 1245, 1494, 1515, 1620, 1660, 1818, 1944, 1992, 2020, 2241, 2424, 2430, 2490, 2727, 2988, 3030, 3240, 3320, 3636, 3735, 4040, 4482, 4545, 4860, 4980, 5454, 5976, 6060, 6723, 7272, 7470, 8181, 8383, 8964, 9090, 9720, 9960, 10908, 11205, 12120, 13446, 13635, 14940, 16362, 16766, 17928, 18180, 20169, 21816, 22410, 24543, 25149, 26892, 27270, 29880, 32724, 33532, 33615, 36360, 40338, 40905, 41915, 44820, 49086, 50298, 53784, 54540, 65448, 67064, 67230, 75447, 80676, 81810, 83830, 89640, 98172, 100596, 100845, 109080, 122715, 125745, 134460, 150894, 161352, 163620, 167660, 196344, 201192, 201690, 226341, 245430, 251490, 268920, 301788, 327240, 335320, 377235, 403380, 452682, 490860, 502980, 603576, 679023, 754470, 806760, 905364, 981720, 1005960, 1131705, 1358046, 1508940, 1810728, 2037069, 2263410, 2716092, 3017880, 3395115, 4074138, 4526820, 5432184, 6790230, 8148276, 9053640, 10185345, 13580460, 16296552, 20370690, 27160920, 40741380, 81482760]

約数ペア:

[(1, 81482760), (2, 40741380), (3, 27160920), (4, 20370690), (5, 16296552), (6, 13580460), (8, 10185345), (9, 9053640), (10, 8148276), (12, 6790230), (15, 5432184), (18, 4526820), (20, 4074138), (24, 3395115), (27, 3017880), (30, 2716092), (36, 2263410), (40, 2037069), (45, 1810728), (54, 1508940), (60, 1358046), (72, 1131705), (81, 1005960), (83, 981720), (90, 905364), (101, 806760), (108, 754470), (120, 679023), (135, 603576), (162, 502980), (166, 490860), (180, 452682), (202, 403380), (216, 377235), (243, 335320), (249, 327240), (270, 301788), (303, 268920), (324, 251490), (332, 245430), (360, 226341), (404, 201690), (405, 201192), (415, 196344), (486, 167660), (498, 163620), (505, 161352), (540, 150894), (606, 134460), (648, 125745), (664, 122715), (747, 109080), (808, 100845), (810, 100596), (830, 98172), (909, 89640), (972, 83830), (996, 81810), (1010, 80676), (1080, 75447), (1212, 67230), (1215, 67064), (1245, 65448), (1494, 54540), (1515, 53784), (1620, 50298), (1660, 49086), (1818, 44820), (1944, 41915), (1992, 40905), (2020, 40338), (2241, 36360), (2424, 33615), (2430, 33532), (2490, 32724), (2727, 29880), (2988, 27270), (3030, 26892), (3240, 25149), (3320, 24543), (3636, 22410), (3735, 21816), (4040, 20169), (4482, 18180), (4545, 17928), (4860, 16766), (4980, 16362), (5454, 14940), (5976, 13635), (6060, 13446), (6723, 12120), (7272, 11205), (7470, 10908), (8181, 9960), (8383, 9720), (8964, 9090)]