1291228740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{10061}}^1$

素因数の和:10130

約数の個数: 144

約数和(自身を含む): 4219278336

約数和(自身を除く): 2928049596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 345, 372, 414, 460, 465, 558, 620, 690, 713, 828, 930, 1035, 1116, 1380, 1395, 1426, 1860, 2070, 2139, 2790, 2852, 3565, 4140, 4278, 5580, 6417, 7130, 8556, 10061, 10695, 12834, 14260, 20122, 21390, 25668, 30183, 32085, 40244, 42780, 50305, 60366, 64170, 90549, 100610, 120732, 128340, 150915, 181098, 201220, 231403, 301830, 311891, 362196, 452745, 462806, 603660, 623782, 694209, 905490, 925612, 935673, 1157015, 1247564, 1388418, 1559455, 1810980, 1871346, 2082627, 2314030, 2776836, 2807019, 3118910, 3471045, 3742692, 4165254, 4628060, 4678365, 5614038, 6237820, 6942090, 7173493, 8330508, 9356730, 10413135, 11228076, 13884180, 14035095, 14346986, 18713460, 20826270, 21520479, 28070190, 28693972, 35867465, 41652540, 43040958, 56140380, 64561437, 71734930, 86081916, 107602395, 129122874, 143469860, 215204790, 258245748, 322807185, 430409580, 645614370, 1291228740]

約数ペア:

[(1, 1291228740), (2, 645614370), (3, 430409580), (4, 322807185), (5, 258245748), (6, 215204790), (9, 143469860), (10, 129122874), (12, 107602395), (15, 86081916), (18, 71734930), (20, 64561437), (23, 56140380), (30, 43040958), (31, 41652540), (36, 35867465), (45, 28693972), (46, 28070190), (60, 21520479), (62, 20826270), (69, 18713460), (90, 14346986), (92, 14035095), (93, 13884180), (115, 11228076), (124, 10413135), (138, 9356730), (155, 8330508), (180, 7173493), (186, 6942090), (207, 6237820), (230, 5614038), (276, 4678365), (279, 4628060), (310, 4165254), (345, 3742692), (372, 3471045), (414, 3118910), (460, 2807019), (465, 2776836), (558, 2314030), (620, 2082627), (690, 1871346), (713, 1810980), (828, 1559455), (930, 1388418), (1035, 1247564), (1116, 1157015), (1380, 935673), (1395, 925612), (1426, 905490), (1860, 694209), (2070, 623782), (2139, 603660), (2790, 462806), (2852, 452745), (3565, 362196), (4140, 311891), (4278, 301830), (5580, 231403), (6417, 201220), (7130, 181098), (8556, 150915), (10061, 128340), (10695, 120732), (12834, 100610), (14260, 90549), (20122, 64170), (21390, 60366), (25668, 50305), (30183, 42780), (32085, 40244)]