142240640

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2039}}^1$

素因数の和:2167

約数の個数: 64

約数和(自身を含む): 343332000

約数和(自身を除く): 201091360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1744, 2039, 2180, 3488, 4078, 4360, 6976, 8156, 8720, 10195, 13952, 16312, 17440, 20390, 32624, 34880, 40780, 65248, 69760, 81560, 130496, 163120, 222251, 260992, 326240, 444502, 652480, 889004, 1111255, 1304960, 1778008, 2222510, 3556016, 4445020, 7112032, 8890040, 14224064, 17780080, 28448128, 35560160, 71120320, 142240640]

約数ペア:

[(1, 142240640), (2, 71120320), (4, 35560160), (5, 28448128), (8, 17780080), (10, 14224064), (16, 8890040), (20, 7112032), (32, 4445020), (40, 3556016), (64, 2222510), (80, 1778008), (109, 1304960), (128, 1111255), (160, 889004), (218, 652480), (320, 444502), (436, 326240), (545, 260992), (640, 222251), (872, 163120), (1090, 130496), (1744, 81560), (2039, 69760), (2180, 65248), (3488, 40780), (4078, 34880), (4360, 32624), (6976, 20390), (8156, 17440), (8720, 16312), (10195, 13952)]