15865920

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{787}}^1$

素因数の和:817

約数の個数: 168

約数和(自身を含む): 62447424

約数和(自身を除く): 46581504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 787, 840, 960, 1008, 1120, 1260, 1344, 1440, 1574, 1680, 2016, 2240, 2361, 2520, 2880, 3148, 3360, 3935, 4032, 4722, 5040, 5509, 6296, 6720, 7083, 7870, 9444, 10080, 11018, 11805, 12592, 14166, 15740, 16527, 18888, 20160, 22036, 23610, 25184, 27545, 28332, 31480, 33054, 35415, 37776, 44072, 47220, 49581, 50368, 55090, 56664, 62960, 66108, 70830, 75552, 82635, 88144, 94440, 99162, 110180, 113328, 125920, 132216, 141660, 151104, 165270, 176288, 188880, 198324, 220360, 226656, 247905, 251840, 264432, 283320, 330540, 352576, 377760, 396648, 440720, 453312, 495810, 528864, 566640, 661080, 755520, 793296, 881440, 991620, 1057728, 1133280, 1322160, 1586592, 1762880, 1983240, 2266560, 2644320, 3173184, 3966480, 5288640, 7932960, 15865920]

約数ペア:

[(1, 15865920), (2, 7932960), (3, 5288640), (4, 3966480), (5, 3173184), (6, 2644320), (7, 2266560), (8, 1983240), (9, 1762880), (10, 1586592), (12, 1322160), (14, 1133280), (15, 1057728), (16, 991620), (18, 881440), (20, 793296), (21, 755520), (24, 661080), (28, 566640), (30, 528864), (32, 495810), (35, 453312), (36, 440720), (40, 396648), (42, 377760), (45, 352576), (48, 330540), (56, 283320), (60, 264432), (63, 251840), (64, 247905), (70, 226656), (72, 220360), (80, 198324), (84, 188880), (90, 176288), (96, 165270), (105, 151104), (112, 141660), (120, 132216), (126, 125920), (140, 113328), (144, 110180), (160, 99162), (168, 94440), (180, 88144), (192, 82635), (210, 75552), (224, 70830), (240, 66108), (252, 62960), (280, 56664), (288, 55090), (315, 50368), (320, 49581), (336, 47220), (360, 44072), (420, 37776), (448, 35415), (480, 33054), (504, 31480), (560, 28332), (576, 27545), (630, 25184), (672, 23610), (720, 22036), (787, 20160), (840, 18888), (960, 16527), (1008, 15740), (1120, 14166), (1260, 12592), (1344, 11805), (1440, 11018), (1574, 10080), (1680, 9444), (2016, 7870), (2240, 7083), (2361, 6720), (2520, 6296), (2880, 5509), (3148, 5040), (3360, 4722), (3935, 4032)]