217416240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:752

約数の個数: 240

約数和(自身を含む): 803162880

約数和(自身を除く): 585746640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 30, 36, 38, 40, 45, 46, 48, 57, 60, 69, 72, 76, 80, 90, 92, 95, 114, 115, 120, 138, 144, 152, 171, 180, 184, 190, 207, 228, 230, 240, 276, 285, 304, 342, 345, 360, 368, 380, 414, 437, 456, 460, 552, 570, 684, 690, 691, 720, 760, 828, 855, 874, 912, 920, 1035, 1104, 1140, 1311, 1368, 1380, 1382, 1520, 1656, 1710, 1748, 1840, 2070, 2073, 2185, 2280, 2622, 2736, 2760, 2764, 3312, 3420, 3455, 3496, 3933, 4140, 4146, 4370, 4560, 5244, 5520, 5528, 6219, 6555, 6840, 6910, 6992, 7866, 8280, 8292, 8740, 10365, 10488, 11056, 12438, 13110, 13129, 13680, 13820, 15732, 15893, 16560, 16584, 17480, 19665, 20730, 20976, 24876, 26220, 26258, 27640, 31095, 31464, 31786, 33168, 34960, 39330, 39387, 41460, 47679, 49752, 52440, 52516, 55280, 62190, 62928, 63572, 65645, 78660, 78774, 79465, 82920, 95358, 99504, 104880, 105032, 118161, 124380, 127144, 131290, 143037, 157320, 157548, 158930, 165840, 190716, 196935, 210064, 236322, 238395, 248760, 254288, 262580, 286074, 301967, 314640, 315096, 317860, 381432, 393870, 472644, 476790, 497520, 525160, 572148, 590805, 603934, 630192, 635720, 715185, 762864, 787740, 905901, 945288, 953580, 1050320, 1144296, 1181610, 1207868, 1271440, 1430370, 1509835, 1575480, 1811802, 1890576, 1907160, 2288592, 2363220, 2415736, 2717703, 2860740, 3019670, 3150960, 3623604, 3814320, 4529505, 4726440, 4831472, 5435406, 5721480, 6039340, 7247208, 9059010, 9452880, 10870812, 11442960, 12078680, 13588515, 14494416, 18118020, 21741624, 24157360, 27177030, 36236040, 43483248, 54354060, 72472080, 108708120, 217416240]

約数ペア:

[(1, 217416240), (2, 108708120), (3, 72472080), (4, 54354060), (5, 43483248), (6, 36236040), (8, 27177030), (9, 24157360), (10, 21741624), (12, 18118020), (15, 14494416), (16, 13588515), (18, 12078680), (19, 11442960), (20, 10870812), (23, 9452880), (24, 9059010), (30, 7247208), (36, 6039340), (38, 5721480), (40, 5435406), (45, 4831472), (46, 4726440), (48, 4529505), (57, 3814320), (60, 3623604), (69, 3150960), (72, 3019670), (76, 2860740), (80, 2717703), (90, 2415736), (92, 2363220), (95, 2288592), (114, 1907160), (115, 1890576), (120, 1811802), (138, 1575480), (144, 1509835), (152, 1430370), (171, 1271440), (180, 1207868), (184, 1181610), (190, 1144296), (207, 1050320), (228, 953580), (230, 945288), (240, 905901), (276, 787740), (285, 762864), (304, 715185), (342, 635720), (345, 630192), (360, 603934), (368, 590805), (380, 572148), (414, 525160), (437, 497520), (456, 476790), (460, 472644), (552, 393870), (570, 381432), (684, 317860), (690, 315096), (691, 314640), (720, 301967), (760, 286074), (828, 262580), (855, 254288), (874, 248760), (912, 238395), (920, 236322), (1035, 210064), (1104, 196935), (1140, 190716), (1311, 165840), (1368, 158930), (1380, 157548), (1382, 157320), (1520, 143037), (1656, 131290), (1710, 127144), (1748, 124380), (1840, 118161), (2070, 105032), (2073, 104880), (2185, 99504), (2280, 95358), (2622, 82920), (2736, 79465), (2760, 78774), (2764, 78660), (3312, 65645), (3420, 63572), (3455, 62928), (3496, 62190), (3933, 55280), (4140, 52516), (4146, 52440), (4370, 49752), (4560, 47679), (5244, 41460), (5520, 39387), (5528, 39330), (6219, 34960), (6555, 33168), (6840, 31786), (6910, 31464), (6992, 31095), (7866, 27640), (8280, 26258), (8292, 26220), (8740, 24876), (10365, 20976), (10488, 20730), (11056, 19665), (12438, 17480), (13110, 16584), (13129, 16560), (13680, 15893), (13820, 15732)]