78501920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 288

約数和(自身を含む): 248209920

約数和(自身を除く): 169708000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 31, 32, 34, 35, 38, 40, 49, 56, 62, 68, 70, 76, 80, 85, 95, 98, 112, 119, 124, 133, 136, 140, 152, 155, 160, 170, 190, 196, 217, 224, 238, 245, 248, 266, 272, 280, 304, 310, 323, 340, 380, 392, 434, 476, 490, 496, 527, 532, 544, 560, 589, 595, 608, 620, 646, 665, 680, 760, 784, 833, 868, 931, 952, 980, 992, 1054, 1064, 1085, 1120, 1178, 1190, 1240, 1292, 1330, 1360, 1519, 1520, 1568, 1615, 1666, 1736, 1862, 1904, 1960, 2108, 2128, 2170, 2261, 2356, 2380, 2480, 2584, 2635, 2660, 2720, 2945, 3038, 3040, 3230, 3332, 3472, 3689, 3724, 3808, 3920, 4123, 4165, 4216, 4256, 4340, 4522, 4655, 4712, 4760, 4960, 5168, 5270, 5320, 5890, 6076, 6460, 6664, 6944, 7378, 7448, 7595, 7840, 8246, 8330, 8432, 8680, 9044, 9310, 9424, 9520, 10013, 10336, 10540, 10640, 11305, 11780, 12152, 12920, 13328, 14756, 14896, 15190, 15827, 16492, 16660, 16864, 17360, 18088, 18445, 18620, 18848, 19040, 20026, 20615, 21080, 21280, 22610, 23560, 24304, 25823, 25840, 26656, 28861, 29512, 29792, 30380, 31654, 32984, 33320, 34720, 36176, 36890, 37240, 40052, 41230, 42160, 45220, 47120, 48608, 50065, 51646, 51680, 57722, 59024, 60760, 63308, 65968, 66640, 70091, 72352, 73780, 74480, 79135, 80104, 82460, 84320, 90440, 94240, 100130, 103292, 115444, 118048, 121520, 126616, 129115, 131936, 133280, 140182, 144305, 147560, 148960, 158270, 160208, 164920, 180880, 200260, 206584, 230888, 243040, 253232, 258230, 280364, 288610, 295120, 316540, 320416, 329840, 350455, 361760, 400520, 413168, 461776, 490637, 506464, 516460, 560728, 577220, 590240, 633080, 659680, 700910, 801040, 826336, 923552, 981274, 1032920, 1121456, 1154440, 1266160, 1401820, 1602080, 1962548, 2065840, 2242912, 2308880, 2453185, 2532320, 2803640, 3925096, 4131680, 4617760, 4906370, 5607280, 7850192, 9812740, 11214560, 15700384, 19625480, 39250960, 78501920]

約数ペア:

[(1, 78501920), (2, 39250960), (4, 19625480), (5, 15700384), (7, 11214560), (8, 9812740), (10, 7850192), (14, 5607280), (16, 4906370), (17, 4617760), (19, 4131680), (20, 3925096), (28, 2803640), (31, 2532320), (32, 2453185), (34, 2308880), (35, 2242912), (38, 2065840), (40, 1962548), (49, 1602080), (56, 1401820), (62, 1266160), (68, 1154440), (70, 1121456), (76, 1032920), (80, 981274), (85, 923552), (95, 826336), (98, 801040), (112, 700910), (119, 659680), (124, 633080), (133, 590240), (136, 577220), (140, 560728), (152, 516460), (155, 506464), (160, 490637), (170, 461776), (190, 413168), (196, 400520), (217, 361760), (224, 350455), (238, 329840), (245, 320416), (248, 316540), (266, 295120), (272, 288610), (280, 280364), (304, 258230), (310, 253232), (323, 243040), (340, 230888), (380, 206584), (392, 200260), (434, 180880), (476, 164920), (490, 160208), (496, 158270), (527, 148960), (532, 147560), (544, 144305), (560, 140182), (589, 133280), (595, 131936), (608, 129115), (620, 126616), (646, 121520), (665, 118048), (680, 115444), (760, 103292), (784, 100130), (833, 94240), (868, 90440), (931, 84320), (952, 82460), (980, 80104), (992, 79135), (1054, 74480), (1064, 73780), (1085, 72352), (1120, 70091), (1178, 66640), (1190, 65968), (1240, 63308), (1292, 60760), (1330, 59024), (1360, 57722), (1519, 51680), (1520, 51646), (1568, 50065), (1615, 48608), (1666, 47120), (1736, 45220), (1862, 42160), (1904, 41230), (1960, 40052), (2108, 37240), (2128, 36890), (2170, 36176), (2261, 34720), (2356, 33320), (2380, 32984), (2480, 31654), (2584, 30380), (2635, 29792), (2660, 29512), (2720, 28861), (2945, 26656), (3038, 25840), (3040, 25823), (3230, 24304), (3332, 23560), (3472, 22610), (3689, 21280), (3724, 21080), (3808, 20615), (3920, 20026), (4123, 19040), (4165, 18848), (4216, 18620), (4256, 18445), (4340, 18088), (4522, 17360), (4655, 16864), (4712, 16660), (4760, 16492), (4960, 15827), (5168, 15190), (5270, 14896), (5320, 14756), (5890, 13328), (6076, 12920), (6460, 12152), (6664, 11780), (6944, 11305), (7378, 10640), (7448, 10540), (7595, 10336), (7840, 10013), (8246, 9520), (8330, 9424), (8432, 9310), (8680, 9044)]