128198320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:267

約数の個数: 120

約数和(自身を含む): 329952096

約数和(自身を除く): 201753776

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 193, 230, 304, 361, 368, 380, 386, 437, 460, 722, 760, 772, 874, 920, 965, 1444, 1520, 1544, 1748, 1805, 1840, 1930, 2185, 2888, 3088, 3496, 3610, 3667, 3860, 4370, 4439, 5776, 6992, 7220, 7334, 7720, 8303, 8740, 8878, 14440, 14668, 15440, 16606, 17480, 17756, 18335, 22195, 28880, 29336, 33212, 34960, 35512, 36670, 41515, 44390, 58672, 66424, 69673, 71024, 73340, 83030, 84341, 88780, 132848, 139346, 146680, 166060, 168682, 177560, 278692, 293360, 332120, 337364, 348365, 355120, 421705, 557384, 664240, 674728, 696730, 843410, 1114768, 1349456, 1393460, 1602479, 1686820, 2786920, 3204958, 3373640, 5573840, 6409916, 6747280, 8012395, 12819832, 16024790, 25639664, 32049580, 64099160, 128198320]

約数ペア:

[(1, 128198320), (2, 64099160), (4, 32049580), (5, 25639664), (8, 16024790), (10, 12819832), (16, 8012395), (19, 6747280), (20, 6409916), (23, 5573840), (38, 3373640), (40, 3204958), (46, 2786920), (76, 1686820), (80, 1602479), (92, 1393460), (95, 1349456), (115, 1114768), (152, 843410), (184, 696730), (190, 674728), (193, 664240), (230, 557384), (304, 421705), (361, 355120), (368, 348365), (380, 337364), (386, 332120), (437, 293360), (460, 278692), (722, 177560), (760, 168682), (772, 166060), (874, 146680), (920, 139346), (965, 132848), (1444, 88780), (1520, 84341), (1544, 83030), (1748, 73340), (1805, 71024), (1840, 69673), (1930, 66424), (2185, 58672), (2888, 44390), (3088, 41515), (3496, 36670), (3610, 35512), (3667, 34960), (3860, 33212), (4370, 29336), (4439, 28880), (5776, 22195), (6992, 18335), (7220, 17756), (7334, 17480), (7720, 16606), (8303, 15440), (8740, 14668), (8878, 14440)]