20773344280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:394

約数の個数: 256

約数和(自身を含む): 53467545600

約数和(自身を除く): 32694201320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 73, 104, 124, 127, 130, 139, 146, 155, 248, 254, 260, 278, 292, 310, 365, 403, 508, 520, 556, 584, 620, 635, 695, 730, 806, 949, 1016, 1112, 1240, 1270, 1390, 1460, 1612, 1651, 1807, 1898, 2015, 2263, 2540, 2780, 2920, 3224, 3302, 3614, 3796, 3937, 4030, 4309, 4526, 4745, 5080, 5560, 6604, 7228, 7592, 7874, 8060, 8255, 8618, 9035, 9052, 9271, 9490, 10147, 11315, 13208, 14456, 15748, 16120, 16510, 17236, 17653, 18070, 18104, 18542, 18980, 19685, 20294, 21545, 22630, 29419, 31496, 33020, 34472, 35306, 36140, 37084, 37960, 39370, 40588, 43090, 45260, 46355, 50735, 51181, 56017, 58838, 66040, 70612, 72280, 74168, 78740, 81176, 86180, 88265, 90520, 92710, 101470, 102362, 112034, 117676, 120523, 131911, 141224, 147095, 157480, 172360, 176530, 185420, 202940, 204724, 224068, 229489, 235352, 241046, 255905, 263822, 280085, 287401, 294190, 314557, 353060, 370840, 405880, 409448, 448136, 458978, 482092, 511810, 527644, 547243, 560170, 574802, 588380, 602615, 629114, 659555, 706120, 917956, 964184, 1023620, 1055288, 1094486, 1120340, 1147445, 1149604, 1176760, 1205230, 1258228, 1288669, 1319110, 1437005, 1572785, 1835912, 2047240, 2188972, 2240680, 2294890, 2299208, 2410460, 2516456, 2577338, 2638220, 2736215, 2874010, 3145570, 3736213, 4089241, 4377944, 4589780, 4820920, 5154676, 5276440, 5472430, 5748020, 6291140, 6443345, 7114159, 7472426, 8178482, 9179560, 10309352, 10944860, 11496040, 12582280, 12886690, 14228318, 14944852, 16356964, 16752697, 18681065, 20446205, 21889720, 25773380, 28456636, 29889704, 32713928, 33505394, 35570795, 37362130, 39948739, 40892410, 51546760, 56913272, 67010788, 71141590, 74724260, 79897478, 81784820, 83763485, 134021576, 142283180, 149448520, 159794956, 163569640, 167526970, 199743695, 284566360, 319589912, 335053940, 399487390, 519333607, 670107880, 798974780, 1038667214, 1597949560, 2077334428, 2596668035, 4154668856, 5193336070, 10386672140, 20773344280]

約数ペア:

[(1, 20773344280), (2, 10386672140), (4, 5193336070), (5, 4154668856), (8, 2596668035), (10, 2077334428), (13, 1597949560), (20, 1038667214), (26, 798974780), (31, 670107880), (40, 519333607), (52, 399487390), (62, 335053940), (65, 319589912), (73, 284566360), (104, 199743695), (124, 167526970), (127, 163569640), (130, 159794956), (139, 149448520), (146, 142283180), (155, 134021576), (248, 83763485), (254, 81784820), (260, 79897478), (278, 74724260), (292, 71141590), (310, 67010788), (365, 56913272), (403, 51546760), (508, 40892410), (520, 39948739), (556, 37362130), (584, 35570795), (620, 33505394), (635, 32713928), (695, 29889704), (730, 28456636), (806, 25773380), (949, 21889720), (1016, 20446205), (1112, 18681065), (1240, 16752697), (1270, 16356964), (1390, 14944852), (1460, 14228318), (1612, 12886690), (1651, 12582280), (1807, 11496040), (1898, 10944860), (2015, 10309352), (2263, 9179560), (2540, 8178482), (2780, 7472426), (2920, 7114159), (3224, 6443345), (3302, 6291140), (3614, 5748020), (3796, 5472430), (3937, 5276440), (4030, 5154676), (4309, 4820920), (4526, 4589780), (4745, 4377944), (5080, 4089241), (5560, 3736213), (6604, 3145570), (7228, 2874010), (7592, 2736215), (7874, 2638220), (8060, 2577338), (8255, 2516456), (8618, 2410460), (9035, 2299208), (9052, 2294890), (9271, 2240680), (9490, 2188972), (10147, 2047240), (11315, 1835912), (13208, 1572785), (14456, 1437005), (15748, 1319110), (16120, 1288669), (16510, 1258228), (17236, 1205230), (17653, 1176760), (18070, 1149604), (18104, 1147445), (18542, 1120340), (18980, 1094486), (19685, 1055288), (20294, 1023620), (21545, 964184), (22630, 917956), (29419, 706120), (31496, 659555), (33020, 629114), (34472, 602615), (35306, 588380), (36140, 574802), (37084, 560170), (37960, 547243), (39370, 527644), (40588, 511810), (43090, 482092), (45260, 458978), (46355, 448136), (50735, 409448), (51181, 405880), (56017, 370840), (58838, 353060), (66040, 314557), (70612, 294190), (72280, 287401), (74168, 280085), (78740, 263822), (81176, 255905), (86180, 241046), (88265, 235352), (90520, 229489), (92710, 224068), (101470, 204724), (102362, 202940), (112034, 185420), (117676, 176530), (120523, 172360), (131911, 157480), (141224, 147095)]