81784620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 275788800

約数和(自身を除く): 194004180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 59, 60, 68, 85, 90, 102, 108, 118, 135, 151, 153, 170, 177, 180, 204, 236, 255, 270, 295, 302, 306, 340, 354, 453, 459, 510, 531, 540, 590, 604, 612, 708, 755, 765, 885, 906, 918, 1003, 1020, 1062, 1180, 1359, 1510, 1530, 1593, 1770, 1812, 1836, 2006, 2124, 2265, 2295, 2567, 2655, 2718, 3009, 3020, 3060, 3186, 3540, 4012, 4077, 4530, 4590, 5015, 5134, 5310, 5436, 6018, 6372, 6795, 7701, 7965, 8154, 8909, 9027, 9060, 9180, 10030, 10268, 10620, 12036, 12835, 13590, 15045, 15402, 15930, 16308, 17818, 18054, 20060, 20385, 23103, 25670, 26727, 27081, 27180, 30090, 30804, 31860, 35636, 36108, 38505, 40770, 44545, 45135, 46206, 51340, 53454, 54162, 60180, 69309, 77010, 80181, 81540, 89090, 90270, 92412, 106908, 108324, 115515, 133635, 135405, 138618, 151453, 154020, 160362, 178180, 180540, 231030, 240543, 267270, 270810, 277236, 302906, 320724, 346545, 400905, 454359, 462060, 481086, 534540, 541620, 605812, 693090, 757265, 801810, 908718, 962172, 1202715, 1363077, 1386180, 1514530, 1603620, 1817436, 2271795, 2405430, 2726154, 3029060, 4089231, 4543590, 4810860, 5452308, 6815385, 8178462, 9087180, 13630770, 16356924, 20446155, 27261540, 40892310, 81784620]

約数ペア:

[(1, 81784620), (2, 40892310), (3, 27261540), (4, 20446155), (5, 16356924), (6, 13630770), (9, 9087180), (10, 8178462), (12, 6815385), (15, 5452308), (17, 4810860), (18, 4543590), (20, 4089231), (27, 3029060), (30, 2726154), (34, 2405430), (36, 2271795), (45, 1817436), (51, 1603620), (54, 1514530), (59, 1386180), (60, 1363077), (68, 1202715), (85, 962172), (90, 908718), (102, 801810), (108, 757265), (118, 693090), (135, 605812), (151, 541620), (153, 534540), (170, 481086), (177, 462060), (180, 454359), (204, 400905), (236, 346545), (255, 320724), (270, 302906), (295, 277236), (302, 270810), (306, 267270), (340, 240543), (354, 231030), (453, 180540), (459, 178180), (510, 160362), (531, 154020), (540, 151453), (590, 138618), (604, 135405), (612, 133635), (708, 115515), (755, 108324), (765, 106908), (885, 92412), (906, 90270), (918, 89090), (1003, 81540), (1020, 80181), (1062, 77010), (1180, 69309), (1359, 60180), (1510, 54162), (1530, 53454), (1593, 51340), (1770, 46206), (1812, 45135), (1836, 44545), (2006, 40770), (2124, 38505), (2265, 36108), (2295, 35636), (2567, 31860), (2655, 30804), (2718, 30090), (3009, 27180), (3020, 27081), (3060, 26727), (3186, 25670), (3540, 23103), (4012, 20385), (4077, 20060), (4530, 18054), (4590, 17818), (5015, 16308), (5134, 15930), (5310, 15402), (5436, 15045), (6018, 13590), (6372, 12835), (6795, 12036), (7701, 10620), (7965, 10268), (8154, 10030), (8909, 9180), (9027, 9060)]