164902640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 488540160

約数和(自身を除く): 323637520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 49, 56, 59, 62, 70, 80, 92, 98, 112, 115, 118, 124, 140, 155, 161, 184, 196, 217, 230, 236, 245, 248, 280, 295, 310, 322, 368, 392, 413, 434, 460, 472, 490, 496, 560, 590, 620, 644, 713, 784, 805, 826, 868, 920, 944, 980, 1085, 1127, 1180, 1240, 1288, 1357, 1426, 1519, 1610, 1652, 1736, 1829, 1840, 1960, 2065, 2170, 2254, 2360, 2480, 2576, 2714, 2852, 2891, 3038, 3220, 3304, 3472, 3565, 3658, 3920, 4130, 4340, 4508, 4720, 4991, 5428, 5635, 5704, 5782, 6076, 6440, 6608, 6785, 7130, 7316, 7595, 8260, 8680, 9016, 9145, 9499, 9982, 10856, 11270, 11408, 11564, 12152, 12803, 12880, 13570, 14260, 14455, 14632, 15190, 16520, 17360, 18032, 18290, 18998, 19964, 21712, 22540, 23128, 24304, 24955, 25606, 27140, 28520, 28910, 29264, 30380, 33040, 34937, 36580, 37996, 39928, 42067, 45080, 46256, 47495, 49910, 51212, 54280, 57040, 57820, 60760, 64015, 66493, 69874, 73160, 75992, 79856, 84134, 89621, 90160, 94990, 99820, 102424, 108560, 115640, 121520, 128030, 132986, 139748, 146320, 151984, 168268, 174685, 179242, 189980, 199640, 204848, 210335, 231280, 256060, 265972, 279496, 294469, 332465, 336536, 349370, 358484, 379960, 399280, 420670, 448105, 512120, 531944, 558992, 588938, 664930, 673072, 698740, 716968, 759920, 841340, 896210, 1024240, 1063888, 1177876, 1329860, 1397480, 1433936, 1472345, 1682680, 1792420, 2061283, 2355752, 2659720, 2794960, 2944690, 3365360, 3584840, 4122566, 4711504, 5319440, 5889380, 7169680, 8245132, 10306415, 11778760, 16490264, 20612830, 23557520, 32980528, 41225660, 82451320, 164902640]

約数ペア:

[(1, 164902640), (2, 82451320), (4, 41225660), (5, 32980528), (7, 23557520), (8, 20612830), (10, 16490264), (14, 11778760), (16, 10306415), (20, 8245132), (23, 7169680), (28, 5889380), (31, 5319440), (35, 4711504), (40, 4122566), (46, 3584840), (49, 3365360), (56, 2944690), (59, 2794960), (62, 2659720), (70, 2355752), (80, 2061283), (92, 1792420), (98, 1682680), (112, 1472345), (115, 1433936), (118, 1397480), (124, 1329860), (140, 1177876), (155, 1063888), (161, 1024240), (184, 896210), (196, 841340), (217, 759920), (230, 716968), (236, 698740), (245, 673072), (248, 664930), (280, 588938), (295, 558992), (310, 531944), (322, 512120), (368, 448105), (392, 420670), (413, 399280), (434, 379960), (460, 358484), (472, 349370), (490, 336536), (496, 332465), (560, 294469), (590, 279496), (620, 265972), (644, 256060), (713, 231280), (784, 210335), (805, 204848), (826, 199640), (868, 189980), (920, 179242), (944, 174685), (980, 168268), (1085, 151984), (1127, 146320), (1180, 139748), (1240, 132986), (1288, 128030), (1357, 121520), (1426, 115640), (1519, 108560), (1610, 102424), (1652, 99820), (1736, 94990), (1829, 90160), (1840, 89621), (1960, 84134), (2065, 79856), (2170, 75992), (2254, 73160), (2360, 69874), (2480, 66493), (2576, 64015), (2714, 60760), (2852, 57820), (2891, 57040), (3038, 54280), (3220, 51212), (3304, 49910), (3472, 47495), (3565, 46256), (3658, 45080), (3920, 42067), (4130, 39928), (4340, 37996), (4508, 36580), (4720, 34937), (4991, 33040), (5428, 30380), (5635, 29264), (5704, 28910), (5782, 28520), (6076, 27140), (6440, 25606), (6608, 24955), (6785, 24304), (7130, 23128), (7316, 22540), (7595, 21712), (8260, 19964), (8680, 18998), (9016, 18290), (9145, 18032), (9499, 17360), (9982, 16520), (10856, 15190), (11270, 14632), (11408, 14455), (11564, 14260), (12152, 13570), (12803, 12880)]