11921280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{887}}^1$

素因数の和:916

約数の個数: 128

約数和(自身を含む): 43476480

約数和(自身を除く): 31555200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 887, 896, 960, 1120, 1344, 1680, 1774, 1920, 2240, 2661, 2688, 3360, 3548, 4435, 4480, 5322, 6209, 6720, 7096, 8870, 10644, 12418, 13305, 13440, 14192, 17740, 18627, 21288, 24836, 26610, 28384, 31045, 35480, 37254, 42576, 49672, 53220, 56768, 62090, 70960, 74508, 85152, 93135, 99344, 106440, 113536, 124180, 141920, 149016, 170304, 186270, 198688, 212880, 248360, 283840, 298032, 340608, 372540, 397376, 425760, 496720, 567680, 596064, 745080, 794752, 851520, 993440, 1192128, 1490160, 1703040, 1986880, 2384256, 2980320, 3973760, 5960640, 11921280]

約数ペア:

[(1, 11921280), (2, 5960640), (3, 3973760), (4, 2980320), (5, 2384256), (6, 1986880), (7, 1703040), (8, 1490160), (10, 1192128), (12, 993440), (14, 851520), (15, 794752), (16, 745080), (20, 596064), (21, 567680), (24, 496720), (28, 425760), (30, 397376), (32, 372540), (35, 340608), (40, 298032), (42, 283840), (48, 248360), (56, 212880), (60, 198688), (64, 186270), (70, 170304), (80, 149016), (84, 141920), (96, 124180), (105, 113536), (112, 106440), (120, 99344), (128, 93135), (140, 85152), (160, 74508), (168, 70960), (192, 62090), (210, 56768), (224, 53220), (240, 49672), (280, 42576), (320, 37254), (336, 35480), (384, 31045), (420, 28384), (448, 26610), (480, 24836), (560, 21288), (640, 18627), (672, 17740), (840, 14192), (887, 13440), (896, 13305), (960, 12418), (1120, 10644), (1344, 8870), (1680, 7096), (1774, 6720), (1920, 6209), (2240, 5322), (2661, 4480), (2688, 4435), (3360, 3548)]