428615040

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31891}}^1$

素因数の和:31920

約数の個数: 128

約数和(自身を含む): 1561432320

約数和(自身を除く): 1132817280

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, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 31891, 63782, 95673, 127564, 159455, 191346, 223237, 255128, 318910, 382692, 446474, 478365, 510256, 637820, 669711, 765384, 892948, 956730, 1020512, 1116185, 1275640, 1339422, 1530768, 1785896, 1913460, 2041024, 2232370, 2551280, 2678844, 3061536, 3348555, 3571792, 3826920, 4082048, 4464740, 5102560, 5357688, 6123072, 6697110, 7143584, 7653840, 8929480, 10205120, 10715376, 12246144, 13394220, 14287168, 15307680, 17858960, 20410240, 21430752, 26788440, 28574336, 30615360, 35717920, 42861504, 53576880, 61230720, 71435840, 85723008, 107153760, 142871680, 214307520, 428615040]

約数ペア:

[(1, 428615040), (2, 214307520), (3, 142871680), (4, 107153760), (5, 85723008), (6, 71435840), (7, 61230720), (8, 53576880), (10, 42861504), (12, 35717920), (14, 30615360), (15, 28574336), (16, 26788440), (20, 21430752), (21, 20410240), (24, 17858960), (28, 15307680), (30, 14287168), (32, 13394220), (35, 12246144), (40, 10715376), (42, 10205120), (48, 8929480), (56, 7653840), (60, 7143584), (64, 6697110), (70, 6123072), (80, 5357688), (84, 5102560), (96, 4464740), (105, 4082048), (112, 3826920), (120, 3571792), (128, 3348555), (140, 3061536), (160, 2678844), (168, 2551280), (192, 2232370), (210, 2041024), (224, 1913460), (240, 1785896), (280, 1530768), (320, 1339422), (336, 1275640), (384, 1116185), (420, 1020512), (448, 956730), (480, 892948), (560, 765384), (640, 669711), (672, 637820), (840, 510256), (896, 478365), (960, 446474), (1120, 382692), (1344, 318910), (1680, 255128), (1920, 223237), (2240, 191346), (2688, 159455), (3360, 127564), (4480, 95673), (6720, 63782), (13440, 31891)]