168302720

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:566

約数の個数: 128

約数和(自身を含む): 440640000

約数和(自身を除く): 272337280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 499, 527, 544, 620, 640, 680, 992, 998, 1054, 1088, 1240, 1360, 1984, 1996, 2108, 2176, 2480, 2495, 2635, 2720, 3968, 3992, 4216, 4960, 4990, 5270, 5440, 7984, 8432, 8483, 9920, 9980, 10540, 10880, 15469, 15968, 16864, 16966, 19840, 19960, 21080, 30938, 31936, 33728, 33932, 39920, 42160, 42415, 61876, 63872, 67456, 67864, 77345, 79840, 84320, 84830, 123752, 135728, 154690, 159680, 168640, 169660, 247504, 262973, 271456, 309380, 319360, 337280, 339320, 495008, 525946, 542912, 618760, 678640, 990016, 1051892, 1085824, 1237520, 1314865, 1357280, 1980032, 2103784, 2475040, 2629730, 2714560, 4207568, 4950080, 5259460, 5429120, 8415136, 9900160, 10518920, 16830272, 21037840, 33660544, 42075680, 84151360, 168302720]

約数ペア:

[(1, 168302720), (2, 84151360), (4, 42075680), (5, 33660544), (8, 21037840), (10, 16830272), (16, 10518920), (17, 9900160), (20, 8415136), (31, 5429120), (32, 5259460), (34, 4950080), (40, 4207568), (62, 2714560), (64, 2629730), (68, 2475040), (80, 2103784), (85, 1980032), (124, 1357280), (128, 1314865), (136, 1237520), (155, 1085824), (160, 1051892), (170, 990016), (248, 678640), (272, 618760), (310, 542912), (320, 525946), (340, 495008), (496, 339320), (499, 337280), (527, 319360), (544, 309380), (620, 271456), (640, 262973), (680, 247504), (992, 169660), (998, 168640), (1054, 159680), (1088, 154690), (1240, 135728), (1360, 123752), (1984, 84830), (1996, 84320), (2108, 79840), (2176, 77345), (2480, 67864), (2495, 67456), (2635, 63872), (2720, 61876), (3968, 42415), (3992, 42160), (4216, 39920), (4960, 33932), (4990, 33728), (5270, 31936), (5440, 30938), (7984, 21080), (8432, 19960), (8483, 19840), (9920, 16966), (9980, 16864), (10540, 15968), (10880, 15469)]