217868880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1429

約数の個数: 160

約数和(自身を含む): 729596160

約数和(自身を除く): 511727280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 29, 30, 40, 46, 48, 58, 60, 69, 80, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 240, 276, 290, 345, 348, 368, 435, 460, 464, 552, 580, 667, 690, 696, 870, 920, 1104, 1160, 1334, 1361, 1380, 1392, 1740, 1840, 2001, 2320, 2668, 2722, 2760, 3335, 3480, 4002, 4083, 5336, 5444, 5520, 6670, 6805, 6960, 8004, 8166, 10005, 10672, 10888, 13340, 13610, 16008, 16332, 20010, 20415, 21776, 26680, 27220, 31303, 32016, 32664, 39469, 40020, 40830, 53360, 54440, 62606, 65328, 78938, 80040, 81660, 93909, 108880, 118407, 125212, 156515, 157876, 160080, 163320, 187818, 197345, 236814, 250424, 313030, 315752, 326640, 375636, 394690, 469545, 473628, 500848, 592035, 626060, 631504, 751272, 789380, 907787, 939090, 947256, 1184070, 1252120, 1502544, 1578760, 1815574, 1878180, 1894512, 2368140, 2504240, 2723361, 3157520, 3631148, 3756360, 4538935, 4736280, 5446722, 7262296, 7512720, 9077870, 9472560, 10893444, 13616805, 14524592, 18155740, 21786888, 27233610, 36311480, 43573776, 54467220, 72622960, 108934440, 217868880]

約数ペア:

[(1, 217868880), (2, 108934440), (3, 72622960), (4, 54467220), (5, 43573776), (6, 36311480), (8, 27233610), (10, 21786888), (12, 18155740), (15, 14524592), (16, 13616805), (20, 10893444), (23, 9472560), (24, 9077870), (29, 7512720), (30, 7262296), (40, 5446722), (46, 4736280), (48, 4538935), (58, 3756360), (60, 3631148), (69, 3157520), (80, 2723361), (87, 2504240), (92, 2368140), (115, 1894512), (116, 1878180), (120, 1815574), (138, 1578760), (145, 1502544), (174, 1252120), (184, 1184070), (230, 947256), (232, 939090), (240, 907787), (276, 789380), (290, 751272), (345, 631504), (348, 626060), (368, 592035), (435, 500848), (460, 473628), (464, 469545), (552, 394690), (580, 375636), (667, 326640), (690, 315752), (696, 313030), (870, 250424), (920, 236814), (1104, 197345), (1160, 187818), (1334, 163320), (1361, 160080), (1380, 157876), (1392, 156515), (1740, 125212), (1840, 118407), (2001, 108880), (2320, 93909), (2668, 81660), (2722, 80040), (2760, 78938), (3335, 65328), (3480, 62606), (4002, 54440), (4083, 53360), (5336, 40830), (5444, 40020), (5520, 39469), (6670, 32664), (6805, 32016), (6960, 31303), (8004, 27220), (8166, 26680), (10005, 21776), (10672, 20415), (10888, 20010), (13340, 16332), (13610, 16008)]