84385840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 240

約数和(自身を含む): 264625920

約数和(自身を除く): 180240080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 80, 88, 95, 98, 103, 110, 112, 133, 140, 152, 154, 176, 190, 196, 206, 209, 220, 245, 266, 280, 304, 308, 380, 385, 392, 412, 418, 440, 490, 515, 532, 539, 560, 616, 665, 721, 760, 770, 784, 824, 836, 880, 931, 980, 1030, 1045, 1064, 1078, 1133, 1232, 1330, 1442, 1463, 1520, 1540, 1648, 1672, 1862, 1957, 1960, 2060, 2090, 2128, 2156, 2266, 2660, 2695, 2884, 2926, 3080, 3344, 3605, 3724, 3914, 3920, 4120, 4180, 4312, 4532, 4655, 5047, 5320, 5390, 5665, 5768, 5852, 6160, 7210, 7315, 7448, 7828, 7931, 8240, 8360, 8624, 9064, 9310, 9785, 10094, 10241, 10640, 10780, 11330, 11536, 11704, 13699, 14420, 14630, 14896, 15656, 15862, 16720, 18128, 18620, 19570, 20188, 20482, 21527, 21560, 22660, 23408, 25235, 27398, 28840, 29260, 31312, 31724, 37240, 39140, 39655, 40376, 40964, 43054, 43120, 45320, 50470, 51205, 54796, 55517, 57680, 58520, 63448, 68495, 74480, 78280, 79310, 80752, 81928, 86108, 90640, 95893, 100940, 102410, 107635, 109592, 111034, 117040, 126896, 136990, 150689, 156560, 158620, 163856, 172216, 191786, 201880, 204820, 215270, 219184, 222068, 273980, 277585, 301378, 317240, 344432, 383572, 403760, 409640, 430540, 444136, 479465, 547960, 555170, 602756, 634480, 753445, 767144, 819280, 861080, 888272, 958930, 1054823, 1095920, 1110340, 1205512, 1506890, 1534288, 1722160, 1917860, 2109646, 2220680, 2411024, 3013780, 3835720, 4219292, 4441360, 5274115, 6027560, 7671440, 8438584, 10548230, 12055120, 16877168, 21096460, 42192920, 84385840]

約数ペア:

[(1, 84385840), (2, 42192920), (4, 21096460), (5, 16877168), (7, 12055120), (8, 10548230), (10, 8438584), (11, 7671440), (14, 6027560), (16, 5274115), (19, 4441360), (20, 4219292), (22, 3835720), (28, 3013780), (35, 2411024), (38, 2220680), (40, 2109646), (44, 1917860), (49, 1722160), (55, 1534288), (56, 1506890), (70, 1205512), (76, 1110340), (77, 1095920), (80, 1054823), (88, 958930), (95, 888272), (98, 861080), (103, 819280), (110, 767144), (112, 753445), (133, 634480), (140, 602756), (152, 555170), (154, 547960), (176, 479465), (190, 444136), (196, 430540), (206, 409640), (209, 403760), (220, 383572), (245, 344432), (266, 317240), (280, 301378), (304, 277585), (308, 273980), (380, 222068), (385, 219184), (392, 215270), (412, 204820), (418, 201880), (440, 191786), (490, 172216), (515, 163856), (532, 158620), (539, 156560), (560, 150689), (616, 136990), (665, 126896), (721, 117040), (760, 111034), (770, 109592), (784, 107635), (824, 102410), (836, 100940), (880, 95893), (931, 90640), (980, 86108), (1030, 81928), (1045, 80752), (1064, 79310), (1078, 78280), (1133, 74480), (1232, 68495), (1330, 63448), (1442, 58520), (1463, 57680), (1520, 55517), (1540, 54796), (1648, 51205), (1672, 50470), (1862, 45320), (1957, 43120), (1960, 43054), (2060, 40964), (2090, 40376), (2128, 39655), (2156, 39140), (2266, 37240), (2660, 31724), (2695, 31312), (2884, 29260), (2926, 28840), (3080, 27398), (3344, 25235), (3605, 23408), (3724, 22660), (3914, 21560), (3920, 21527), (4120, 20482), (4180, 20188), (4312, 19570), (4532, 18620), (4655, 18128), (5047, 16720), (5320, 15862), (5390, 15656), (5665, 14896), (5768, 14630), (5852, 14420), (6160, 13699), (7210, 11704), (7315, 11536), (7448, 11330), (7828, 10780), (7931, 10640), (8240, 10241), (8360, 10094), (8624, 9785), (9064, 9310)]