18728640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{929}}^1$

素因数の和:959

約数の個数: 168

約数和(自身を含む): 73700640

約数和(自身を除く): 54972000

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, 840, 929, 960, 1008, 1120, 1260, 1344, 1440, 1680, 1858, 2016, 2240, 2520, 2787, 2880, 3360, 3716, 4032, 4645, 5040, 5574, 6503, 6720, 7432, 8361, 9290, 10080, 11148, 13006, 13935, 14864, 16722, 18580, 19509, 20160, 22296, 26012, 27870, 29728, 32515, 33444, 37160, 39018, 41805, 44592, 52024, 55740, 58527, 59456, 65030, 66888, 74320, 78036, 83610, 89184, 97545, 104048, 111480, 117054, 130060, 133776, 148640, 156072, 167220, 178368, 195090, 208096, 222960, 234108, 260120, 267552, 292635, 297280, 312144, 334440, 390180, 416192, 445920, 468216, 520240, 535104, 585270, 624288, 668880, 780360, 891840, 936432, 1040480, 1170540, 1248576, 1337760, 1560720, 1872864, 2080960, 2341080, 2675520, 3121440, 3745728, 4682160, 6242880, 9364320, 18728640]

約数ペア:

[(1, 18728640), (2, 9364320), (3, 6242880), (4, 4682160), (5, 3745728), (6, 3121440), (7, 2675520), (8, 2341080), (9, 2080960), (10, 1872864), (12, 1560720), (14, 1337760), (15, 1248576), (16, 1170540), (18, 1040480), (20, 936432), (21, 891840), (24, 780360), (28, 668880), (30, 624288), (32, 585270), (35, 535104), (36, 520240), (40, 468216), (42, 445920), (45, 416192), (48, 390180), (56, 334440), (60, 312144), (63, 297280), (64, 292635), (70, 267552), (72, 260120), (80, 234108), (84, 222960), (90, 208096), (96, 195090), (105, 178368), (112, 167220), (120, 156072), (126, 148640), (140, 133776), (144, 130060), (160, 117054), (168, 111480), (180, 104048), (192, 97545), (210, 89184), (224, 83610), (240, 78036), (252, 74320), (280, 66888), (288, 65030), (315, 59456), (320, 58527), (336, 55740), (360, 52024), (420, 44592), (448, 41805), (480, 39018), (504, 37160), (560, 33444), (576, 32515), (630, 29728), (672, 27870), (720, 26012), (840, 22296), (929, 20160), (960, 19509), (1008, 18580), (1120, 16722), (1260, 14864), (1344, 13935), (1440, 13006), (1680, 11148), (1858, 10080), (2016, 9290), (2240, 8361), (2520, 7432), (2787, 6720), (2880, 6503), (3360, 5574), (3716, 5040), (4032, 4645)]