156918520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5023}}^1$

素因数の和:5116

約数の個数: 64

約数和(自身を含む): 390666240

約数和(自身を除く): 233747720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 5023, 6248, 7810, 10046, 15620, 20092, 25115, 31240, 40184, 50230, 55253, 100460, 110506, 200920, 221012, 276265, 356633, 442024, 552530, 713266, 1105060, 1426532, 1783165, 2210120, 2853064, 3566330, 3922963, 7132660, 7845926, 14265320, 15691852, 19614815, 31383704, 39229630, 78459260, 156918520]

約数ペア:

[(1, 156918520), (2, 78459260), (4, 39229630), (5, 31383704), (8, 19614815), (10, 15691852), (11, 14265320), (20, 7845926), (22, 7132660), (40, 3922963), (44, 3566330), (55, 2853064), (71, 2210120), (88, 1783165), (110, 1426532), (142, 1105060), (220, 713266), (284, 552530), (355, 442024), (440, 356633), (568, 276265), (710, 221012), (781, 200920), (1420, 110506), (1562, 100460), (2840, 55253), (3124, 50230), (3905, 40184), (5023, 31240), (6248, 25115), (7810, 20092), (10046, 15620)]