1285146540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{76771}}^1$

素因数の和:76820

約数の個数: 96

約数和(自身を含む): 4127262720

約数和(自身を除く): 2842116180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 5580, 8370, 16740, 76771, 153542, 230313, 307084, 383855, 460626, 690939, 767710, 921252, 1151565, 1381878, 1535420, 2072817, 2303130, 2379901, 2763756, 3454695, 4145634, 4606260, 4759802, 6909390, 7139703, 8291268, 9519604, 10364085, 11899505, 13818780, 14279406, 20728170, 21419109, 23799010, 28558812, 35698515, 41456340, 42838218, 47598020, 64257327, 71397030, 85676436, 107095545, 128514654, 142794060, 214191090, 257029308, 321286635, 428382180, 642573270, 1285146540]

約数ペア:

[(1, 1285146540), (2, 642573270), (3, 428382180), (4, 321286635), (5, 257029308), (6, 214191090), (9, 142794060), (10, 128514654), (12, 107095545), (15, 85676436), (18, 71397030), (20, 64257327), (27, 47598020), (30, 42838218), (31, 41456340), (36, 35698515), (45, 28558812), (54, 23799010), (60, 21419109), (62, 20728170), (90, 14279406), (93, 13818780), (108, 11899505), (124, 10364085), (135, 9519604), (155, 8291268), (180, 7139703), (186, 6909390), (270, 4759802), (279, 4606260), (310, 4145634), (372, 3454695), (465, 2763756), (540, 2379901), (558, 2303130), (620, 2072817), (837, 1535420), (930, 1381878), (1116, 1151565), (1395, 921252), (1674, 767710), (1860, 690939), (2790, 460626), (3348, 383855), (4185, 307084), (5580, 230313), (8370, 153542), (16740, 76771)]