81272700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1025

約数の個数: 144

約数和(自身を含む): 269982720

約数和(自身を除く): 188710020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 31, 36, 45, 50, 54, 60, 62, 75, 90, 93, 100, 108, 124, 135, 150, 155, 180, 186, 225, 270, 279, 300, 310, 372, 450, 465, 540, 558, 620, 675, 775, 837, 900, 930, 971, 1116, 1350, 1395, 1550, 1674, 1860, 1942, 2325, 2700, 2790, 2913, 3100, 3348, 3884, 4185, 4650, 4855, 5580, 5826, 6975, 8370, 8739, 9300, 9710, 11652, 13950, 14565, 16740, 17478, 19420, 20925, 24275, 26217, 27900, 29130, 30101, 34956, 41850, 43695, 48550, 52434, 58260, 60202, 72825, 83700, 87390, 90303, 97100, 104868, 120404, 131085, 145650, 150505, 174780, 180606, 218475, 262170, 270909, 291300, 301010, 361212, 436950, 451515, 524340, 541818, 602020, 655425, 752525, 812727, 873900, 903030, 1083636, 1310850, 1354545, 1505050, 1625454, 1806060, 2257575, 2621700, 2709090, 3010100, 3250908, 4063635, 4515150, 5418180, 6772725, 8127270, 9030300, 13545450, 16254540, 20318175, 27090900, 40636350, 81272700]

約数ペア:

[(1, 81272700), (2, 40636350), (3, 27090900), (4, 20318175), (5, 16254540), (6, 13545450), (9, 9030300), (10, 8127270), (12, 6772725), (15, 5418180), (18, 4515150), (20, 4063635), (25, 3250908), (27, 3010100), (30, 2709090), (31, 2621700), (36, 2257575), (45, 1806060), (50, 1625454), (54, 1505050), (60, 1354545), (62, 1310850), (75, 1083636), (90, 903030), (93, 873900), (100, 812727), (108, 752525), (124, 655425), (135, 602020), (150, 541818), (155, 524340), (180, 451515), (186, 436950), (225, 361212), (270, 301010), (279, 291300), (300, 270909), (310, 262170), (372, 218475), (450, 180606), (465, 174780), (540, 150505), (558, 145650), (620, 131085), (675, 120404), (775, 104868), (837, 97100), (900, 90303), (930, 87390), (971, 83700), (1116, 72825), (1350, 60202), (1395, 58260), (1550, 52434), (1674, 48550), (1860, 43695), (1942, 41850), (2325, 34956), (2700, 30101), (2790, 29130), (2913, 27900), (3100, 26217), (3348, 24275), (3884, 20925), (4185, 19420), (4650, 17478), (4855, 16740), (5580, 14565), (5826, 13950), (6975, 11652), (8370, 9710), (8739, 9300)]