66440640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{9887}}^1$

素因数の和:9914

約数の個数: 112

約数和(自身を含む): 241108992

約数和(自身を除く): 174668352

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, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 9887, 19774, 29661, 39548, 49435, 59322, 69209, 79096, 98870, 118644, 138418, 148305, 158192, 197740, 207627, 237288, 276836, 296610, 316384, 346045, 395480, 415254, 474576, 553672, 593220, 632768, 692090, 790960, 830508, 949152, 1038135, 1107344, 1186440, 1384180, 1581920, 1661016, 1898304, 2076270, 2214688, 2372880, 2768360, 3163840, 3322032, 4152540, 4429376, 4745760, 5536720, 6644064, 8305080, 9491520, 11073440, 13288128, 16610160, 22146880, 33220320, 66440640]

約数ペア:

[(1, 66440640), (2, 33220320), (3, 22146880), (4, 16610160), (5, 13288128), (6, 11073440), (7, 9491520), (8, 8305080), (10, 6644064), (12, 5536720), (14, 4745760), (15, 4429376), (16, 4152540), (20, 3322032), (21, 3163840), (24, 2768360), (28, 2372880), (30, 2214688), (32, 2076270), (35, 1898304), (40, 1661016), (42, 1581920), (48, 1384180), (56, 1186440), (60, 1107344), (64, 1038135), (70, 949152), (80, 830508), (84, 790960), (96, 692090), (105, 632768), (112, 593220), (120, 553672), (140, 474576), (160, 415254), (168, 395480), (192, 346045), (210, 316384), (224, 296610), (240, 276836), (280, 237288), (320, 207627), (336, 197740), (420, 158192), (448, 148305), (480, 138418), (560, 118644), (672, 98870), (840, 79096), (960, 69209), (1120, 59322), (1344, 49435), (1680, 39548), (2240, 29661), (3360, 19774), (6720, 9887)]