128903580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1836

約数の個数: 144

約数和(自身を含む): 434913024

約数和(自身を除く): 306009444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1777, 1860, 2015, 2340, 2418, 2790, 3554, 3627, 4030, 4836, 5331, 5580, 6045, 7108, 7254, 8060, 8885, 10662, 12090, 14508, 15993, 17770, 18135, 21324, 23101, 24180, 26655, 31986, 35540, 36270, 46202, 53310, 55087, 63972, 69303, 72540, 79965, 92404, 106620, 110174, 115505, 138606, 159930, 165261, 207909, 220348, 231010, 275435, 277212, 319860, 330522, 346515, 415818, 462020, 495783, 550870, 661044, 693030, 716131, 826305, 831636, 991566, 1039545, 1101740, 1386060, 1432262, 1652610, 1983132, 2079090, 2148393, 2478915, 2864524, 3305220, 3580655, 4158180, 4296786, 4957830, 6445179, 7161310, 8593572, 9915660, 10741965, 12890358, 14322620, 21483930, 25780716, 32225895, 42967860, 64451790, 128903580]

約数ペア:

[(1, 128903580), (2, 64451790), (3, 42967860), (4, 32225895), (5, 25780716), (6, 21483930), (9, 14322620), (10, 12890358), (12, 10741965), (13, 9915660), (15, 8593572), (18, 7161310), (20, 6445179), (26, 4957830), (30, 4296786), (31, 4158180), (36, 3580655), (39, 3305220), (45, 2864524), (52, 2478915), (60, 2148393), (62, 2079090), (65, 1983132), (78, 1652610), (90, 1432262), (93, 1386060), (117, 1101740), (124, 1039545), (130, 991566), (155, 831636), (156, 826305), (180, 716131), (186, 693030), (195, 661044), (234, 550870), (260, 495783), (279, 462020), (310, 415818), (372, 346515), (390, 330522), (403, 319860), (465, 277212), (468, 275435), (558, 231010), (585, 220348), (620, 207909), (780, 165261), (806, 159930), (930, 138606), (1116, 115505), (1170, 110174), (1209, 106620), (1395, 92404), (1612, 79965), (1777, 72540), (1860, 69303), (2015, 63972), (2340, 55087), (2418, 53310), (2790, 46202), (3554, 36270), (3627, 35540), (4030, 31986), (4836, 26655), (5331, 24180), (5580, 23101), (6045, 21324), (7108, 18135), (7254, 17770), (8060, 15993), (8885, 14508), (10662, 12090)]