128888320

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 160

約数和(自身を含む): 353548800

約数和(自身を除く): 224660480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 128, 160, 176, 184, 199, 220, 230, 253, 256, 320, 352, 368, 398, 440, 460, 506, 512, 640, 704, 736, 796, 880, 920, 995, 1012, 1265, 1280, 1408, 1472, 1592, 1760, 1840, 1990, 2024, 2189, 2530, 2560, 2816, 2944, 3184, 3520, 3680, 3980, 4048, 4378, 4577, 5060, 5632, 5888, 6368, 7040, 7360, 7960, 8096, 8756, 9154, 10120, 10945, 11776, 12736, 14080, 14720, 15920, 16192, 17512, 18308, 20240, 21890, 22885, 25472, 28160, 29440, 31840, 32384, 35024, 36616, 40480, 43780, 45770, 50347, 50944, 58880, 63680, 64768, 70048, 73232, 80960, 87560, 91540, 100694, 101888, 127360, 129536, 140096, 146464, 161920, 175120, 183080, 201388, 251735, 254720, 280192, 292928, 323840, 350240, 366160, 402776, 503470, 509440, 560384, 585856, 647680, 700480, 732320, 805552, 1006940, 1120768, 1171712, 1400960, 1464640, 1611104, 2013880, 2343424, 2801920, 2929280, 3222208, 4027760, 5603840, 5858560, 6444416, 8055520, 11717120, 12888832, 16111040, 25777664, 32222080, 64444160, 128888320]

約数ペア:

[(1, 128888320), (2, 64444160), (4, 32222080), (5, 25777664), (8, 16111040), (10, 12888832), (11, 11717120), (16, 8055520), (20, 6444416), (22, 5858560), (23, 5603840), (32, 4027760), (40, 3222208), (44, 2929280), (46, 2801920), (55, 2343424), (64, 2013880), (80, 1611104), (88, 1464640), (92, 1400960), (110, 1171712), (115, 1120768), (128, 1006940), (160, 805552), (176, 732320), (184, 700480), (199, 647680), (220, 585856), (230, 560384), (253, 509440), (256, 503470), (320, 402776), (352, 366160), (368, 350240), (398, 323840), (440, 292928), (460, 280192), (506, 254720), (512, 251735), (640, 201388), (704, 183080), (736, 175120), (796, 161920), (880, 146464), (920, 140096), (995, 129536), (1012, 127360), (1265, 101888), (1280, 100694), (1408, 91540), (1472, 87560), (1592, 80960), (1760, 73232), (1840, 70048), (1990, 64768), (2024, 63680), (2189, 58880), (2530, 50944), (2560, 50347), (2816, 45770), (2944, 43780), (3184, 40480), (3520, 36616), (3680, 35024), (3980, 32384), (4048, 31840), (4378, 29440), (4577, 28160), (5060, 25472), (5632, 22885), (5888, 21890), (6368, 20240), (7040, 18308), (7360, 17512), (7960, 16192), (8096, 15920), (8756, 14720), (9154, 14080), (10120, 12736), (10945, 11776)]