2878720380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{2473}}^1$

素因数の和:2740

約数の個数: 144

約数和(自身を含む): 9077402880

約数和(自身を除く): 6198682500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 223, 261, 290, 348, 435, 446, 522, 580, 669, 870, 892, 1044, 1115, 1305, 1338, 1740, 2007, 2230, 2473, 2610, 2676, 3345, 4014, 4460, 4946, 5220, 6467, 6690, 7419, 8028, 9892, 10035, 12365, 12934, 13380, 14838, 19401, 20070, 22257, 24730, 25868, 29676, 32335, 37095, 38802, 40140, 44514, 49460, 58203, 64670, 71717, 74190, 77604, 89028, 97005, 111285, 116406, 129340, 143434, 148380, 194010, 215151, 222570, 232812, 286868, 291015, 358585, 388020, 430302, 445140, 551479, 582030, 645453, 717170, 860604, 1075755, 1102958, 1164060, 1290906, 1434340, 1654437, 2151510, 2205916, 2581812, 2757395, 3227265, 3308874, 4303020, 4963311, 5514790, 6454530, 6617748, 8272185, 9926622, 11029580, 12909060, 15992891, 16544370, 19853244, 24816555, 31985782, 33088740, 47978673, 49633110, 63971564, 79964455, 95957346, 99266220, 143936019, 159928910, 191914692, 239893365, 287872038, 319857820, 479786730, 575744076, 719680095, 959573460, 1439360190, 2878720380]

約数ペア:

[(1, 2878720380), (2, 1439360190), (3, 959573460), (4, 719680095), (5, 575744076), (6, 479786730), (9, 319857820), (10, 287872038), (12, 239893365), (15, 191914692), (18, 159928910), (20, 143936019), (29, 99266220), (30, 95957346), (36, 79964455), (45, 63971564), (58, 49633110), (60, 47978673), (87, 33088740), (90, 31985782), (116, 24816555), (145, 19853244), (174, 16544370), (180, 15992891), (223, 12909060), (261, 11029580), (290, 9926622), (348, 8272185), (435, 6617748), (446, 6454530), (522, 5514790), (580, 4963311), (669, 4303020), (870, 3308874), (892, 3227265), (1044, 2757395), (1115, 2581812), (1305, 2205916), (1338, 2151510), (1740, 1654437), (2007, 1434340), (2230, 1290906), (2473, 1164060), (2610, 1102958), (2676, 1075755), (3345, 860604), (4014, 717170), (4460, 645453), (4946, 582030), (5220, 551479), (6467, 445140), (6690, 430302), (7419, 388020), (8028, 358585), (9892, 291015), (10035, 286868), (12365, 232812), (12934, 222570), (13380, 215151), (14838, 194010), (19401, 148380), (20070, 143434), (22257, 129340), (24730, 116406), (25868, 111285), (29676, 97005), (32335, 89028), (37095, 77604), (38802, 74190), (40140, 71717), (44514, 64670), (49460, 58203)]