255181920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:637

約数の個数: 192

約数和(自身を含む): 926069760

約数和(自身を除く): 670887840

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, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 173, 210, 224, 240, 280, 336, 346, 420, 439, 480, 519, 560, 672, 692, 840, 865, 878, 1038, 1120, 1211, 1317, 1384, 1680, 1730, 1756, 2076, 2195, 2422, 2595, 2634, 2768, 3073, 3360, 3460, 3512, 3633, 4152, 4390, 4844, 5190, 5268, 5536, 6055, 6146, 6585, 6920, 7024, 7266, 8304, 8780, 9219, 9688, 10380, 10536, 12110, 12292, 13170, 13840, 14048, 14532, 15365, 16608, 17560, 18165, 18438, 19376, 20760, 21072, 24220, 24584, 26340, 27680, 29064, 30730, 35120, 36330, 36876, 38752, 41520, 42144, 46095, 48440, 49168, 52680, 58128, 61460, 70240, 72660, 73752, 75947, 83040, 92190, 96880, 98336, 105360, 116256, 122920, 145320, 147504, 151894, 184380, 193760, 210720, 227841, 245840, 290640, 295008, 303788, 368760, 379735, 455682, 491680, 531629, 581280, 607576, 737520, 759470, 911364, 1063258, 1139205, 1215152, 1475040, 1518940, 1594887, 1822728, 2126516, 2278410, 2430304, 2658145, 3037880, 3189774, 3645456, 4253032, 4556820, 5316290, 6075760, 6379548, 7290912, 7974435, 8506064, 9113640, 10632580, 12151520, 12759096, 15948870, 17012128, 18227280, 21265160, 25518192, 31897740, 36454560, 42530320, 51036384, 63795480, 85060640, 127590960, 255181920]

約数ペア:

[(1, 255181920), (2, 127590960), (3, 85060640), (4, 63795480), (5, 51036384), (6, 42530320), (7, 36454560), (8, 31897740), (10, 25518192), (12, 21265160), (14, 18227280), (15, 17012128), (16, 15948870), (20, 12759096), (21, 12151520), (24, 10632580), (28, 9113640), (30, 8506064), (32, 7974435), (35, 7290912), (40, 6379548), (42, 6075760), (48, 5316290), (56, 4556820), (60, 4253032), (70, 3645456), (80, 3189774), (84, 3037880), (96, 2658145), (105, 2430304), (112, 2278410), (120, 2126516), (140, 1822728), (160, 1594887), (168, 1518940), (173, 1475040), (210, 1215152), (224, 1139205), (240, 1063258), (280, 911364), (336, 759470), (346, 737520), (420, 607576), (439, 581280), (480, 531629), (519, 491680), (560, 455682), (672, 379735), (692, 368760), (840, 303788), (865, 295008), (878, 290640), (1038, 245840), (1120, 227841), (1211, 210720), (1317, 193760), (1384, 184380), (1680, 151894), (1730, 147504), (1756, 145320), (2076, 122920), (2195, 116256), (2422, 105360), (2595, 98336), (2634, 96880), (2768, 92190), (3073, 83040), (3360, 75947), (3460, 73752), (3512, 72660), (3633, 70240), (4152, 61460), (4390, 58128), (4844, 52680), (5190, 49168), (5268, 48440), (5536, 46095), (6055, 42144), (6146, 41520), (6585, 38752), (6920, 36876), (7024, 36330), (7266, 35120), (8304, 30730), (8780, 29064), (9219, 27680), (9688, 26340), (10380, 24584), (10536, 24220), (12110, 21072), (12292, 20760), (13170, 19376), (13840, 18438), (14048, 18165), (14532, 17560), (15365, 16608)]