128181120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:784

約数の個数: 128

約数和(自身を含む): 413246880

約数和(自身を除く): 285065760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 128, 160, 192, 202, 240, 303, 320, 384, 404, 480, 505, 606, 640, 661, 808, 960, 1010, 1212, 1322, 1515, 1616, 1920, 1983, 2020, 2424, 2644, 3030, 3232, 3305, 3966, 4040, 4848, 5288, 6060, 6464, 6610, 7932, 8080, 9696, 9915, 10576, 12120, 12928, 13220, 15864, 16160, 19392, 19830, 21152, 24240, 26440, 31728, 32320, 38784, 39660, 42304, 48480, 52880, 63456, 64640, 66761, 79320, 84608, 96960, 105760, 126912, 133522, 158640, 193920, 200283, 211520, 253824, 267044, 317280, 333805, 400566, 423040, 534088, 634560, 667610, 801132, 1001415, 1068176, 1269120, 1335220, 1602264, 2002830, 2136352, 2670440, 3204528, 4005660, 4272704, 5340880, 6409056, 8011320, 8545408, 10681760, 12818112, 16022640, 21363520, 25636224, 32045280, 42727040, 64090560, 128181120]

約数ペア:

[(1, 128181120), (2, 64090560), (3, 42727040), (4, 32045280), (5, 25636224), (6, 21363520), (8, 16022640), (10, 12818112), (12, 10681760), (15, 8545408), (16, 8011320), (20, 6409056), (24, 5340880), (30, 4272704), (32, 4005660), (40, 3204528), (48, 2670440), (60, 2136352), (64, 2002830), (80, 1602264), (96, 1335220), (101, 1269120), (120, 1068176), (128, 1001415), (160, 801132), (192, 667610), (202, 634560), (240, 534088), (303, 423040), (320, 400566), (384, 333805), (404, 317280), (480, 267044), (505, 253824), (606, 211520), (640, 200283), (661, 193920), (808, 158640), (960, 133522), (1010, 126912), (1212, 105760), (1322, 96960), (1515, 84608), (1616, 79320), (1920, 66761), (1983, 64640), (2020, 63456), (2424, 52880), (2644, 48480), (3030, 42304), (3232, 39660), (3305, 38784), (3966, 32320), (4040, 31728), (4848, 26440), (5288, 24240), (6060, 21152), (6464, 19830), (6610, 19392), (7932, 16160), (8080, 15864), (9696, 13220), (9915, 12928), (10576, 12120)]