128001440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4969}}^1$

素因数の和:5014

約数の個数: 96

約数和(自身を含む): 360702720

約数和(自身を除く): 232701280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 3220, 3680, 4969, 5152, 6440, 9938, 12880, 19876, 24845, 25760, 34783, 39752, 49690, 69566, 79504, 99380, 114287, 139132, 159008, 173915, 198760, 228574, 278264, 347830, 397520, 457148, 556528, 571435, 695660, 795040, 800009, 914296, 1113056, 1142870, 1391320, 1600018, 1828592, 2285740, 2782640, 3200036, 3657184, 4000045, 4571480, 5565280, 6400072, 8000090, 9142960, 12800144, 16000180, 18285920, 25600288, 32000360, 64000720, 128001440]

約数ペア:

[(1, 128001440), (2, 64000720), (4, 32000360), (5, 25600288), (7, 18285920), (8, 16000180), (10, 12800144), (14, 9142960), (16, 8000090), (20, 6400072), (23, 5565280), (28, 4571480), (32, 4000045), (35, 3657184), (40, 3200036), (46, 2782640), (56, 2285740), (70, 1828592), (80, 1600018), (92, 1391320), (112, 1142870), (115, 1113056), (140, 914296), (160, 800009), (161, 795040), (184, 695660), (224, 571435), (230, 556528), (280, 457148), (322, 397520), (368, 347830), (460, 278264), (560, 228574), (644, 198760), (736, 173915), (805, 159008), (920, 139132), (1120, 114287), (1288, 99380), (1610, 79504), (1840, 69566), (2576, 49690), (3220, 39752), (3680, 34783), (4969, 25760), (5152, 24845), (6440, 19876), (9938, 12880)]