19221506640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{165817}}^1$

素因数の和:165866

約数の個数: 240

約数和(自身を含む): 76982001408

約数和(自身を除く): 57760494768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1380, 1449, 1610, 1656, 1680, 1840, 1932, 2070, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3864, 4140, 4830, 5040, 5520, 5796, 6440, 7245, 7728, 8280, 9660, 11592, 12880, 14490, 16560, 19320, 23184, 28980, 38640, 57960, 115920, 165817, 331634, 497451, 663268, 829085, 994902, 1160719, 1326536, 1492353, 1658170, 1989804, 2321438, 2487255, 2653072, 2984706, 3316340, 3482157, 3813791, 3979608, 4642876, 4974510, 5803595, 5969412, 6632680, 6964314, 7461765, 7627582, 7959216, 9285752, 9949020, 10446471, 11441373, 11607190, 11938824, 13265360, 13928628, 14923530, 15255164, 17410785, 18571504, 19068955, 19898040, 20892942, 22882746, 23214380, 23877648, 26696537, 27857256, 29847060, 30510328, 34324119, 34821570, 38137910, 39796080, 41785884, 45765492, 46428760, 52232355, 53393074, 55714512, 57206865, 59694120, 61020656, 68648238, 69643140, 76275820, 80089611, 83571768, 91530984, 92857520, 104464710, 106786148, 114413730, 119388240, 133482685, 137296476, 139286280, 152551640, 160179222, 167143536, 171620595, 183061968, 208929420, 213572296, 228827460, 240268833, 266965370, 274592952, 278572560, 305103280, 320358444, 343241190, 400448055, 417858840, 427144592, 457654920, 480537666, 533930740, 549185904, 640716888, 686482380, 800896110, 835717680, 915309840, 961075332, 1067861480, 1201344165, 1281433776, 1372964760, 1601792220, 1922150664, 2135722960, 2402688330, 2745929520, 3203584440, 3844301328, 4805376660, 6407168880, 9610753320, 19221506640]

約数ペア:

[(1, 19221506640), (2, 9610753320), (3, 6407168880), (4, 4805376660), (5, 3844301328), (6, 3203584440), (7, 2745929520), (8, 2402688330), (9, 2135722960), (10, 1922150664), (12, 1601792220), (14, 1372964760), (15, 1281433776), (16, 1201344165), (18, 1067861480), (20, 961075332), (21, 915309840), (23, 835717680), (24, 800896110), (28, 686482380), (30, 640716888), (35, 549185904), (36, 533930740), (40, 480537666), (42, 457654920), (45, 427144592), (46, 417858840), (48, 400448055), (56, 343241190), (60, 320358444), (63, 305103280), (69, 278572560), (70, 274592952), (72, 266965370), (80, 240268833), (84, 228827460), (90, 213572296), (92, 208929420), (105, 183061968), (112, 171620595), (115, 167143536), (120, 160179222), (126, 152551640), (138, 139286280), (140, 137296476), (144, 133482685), (161, 119388240), (168, 114413730), (180, 106786148), (184, 104464710), (207, 92857520), (210, 91530984), (230, 83571768), (240, 80089611), (252, 76275820), (276, 69643140), (280, 68648238), (315, 61020656), (322, 59694120), (336, 57206865), (345, 55714512), (360, 53393074), (368, 52232355), (414, 46428760), (420, 45765492), (460, 41785884), (483, 39796080), (504, 38137910), (552, 34821570), (560, 34324119), (630, 30510328), (644, 29847060), (690, 27857256), (720, 26696537), (805, 23877648), (828, 23214380), (840, 22882746), (920, 20892942), (966, 19898040), (1008, 19068955), (1035, 18571504), (1104, 17410785), (1260, 15255164), (1288, 14923530), (1380, 13928628), (1449, 13265360), (1610, 11938824), (1656, 11607190), (1680, 11441373), (1840, 10446471), (1932, 9949020), (2070, 9285752), (2415, 7959216), (2520, 7627582), (2576, 7461765), (2760, 6964314), (2898, 6632680), (3220, 5969412), (3312, 5803595), (3864, 4974510), (4140, 4642876), (4830, 3979608), (5040, 3813791), (5520, 3482157), (5796, 3316340), (6440, 2984706), (7245, 2653072), (7728, 2487255), (8280, 2321438), (9660, 1989804), (11592, 1658170), (12880, 1492353), (14490, 1326536), (16560, 1160719), (19320, 994902), (23184, 829085), (28980, 663268), (38640, 497451), (57960, 331634), (115920, 165817)]