156928760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{937}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 364694400

約数和(自身を除く): 207765640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 158, 212, 265, 316, 395, 424, 530, 632, 790, 937, 1060, 1580, 1874, 2120, 3160, 3748, 4187, 4685, 7496, 8374, 9370, 16748, 18740, 20935, 33496, 37480, 41870, 49661, 74023, 83740, 99322, 148046, 167480, 198644, 248305, 296092, 370115, 397288, 496610, 592184, 740230, 993220, 1480460, 1986440, 2960920, 3923219, 7846438, 15692876, 19616095, 31385752, 39232190, 78464380, 156928760]

約数ペア:

[(1, 156928760), (2, 78464380), (4, 39232190), (5, 31385752), (8, 19616095), (10, 15692876), (20, 7846438), (40, 3923219), (53, 2960920), (79, 1986440), (106, 1480460), (158, 993220), (212, 740230), (265, 592184), (316, 496610), (395, 397288), (424, 370115), (530, 296092), (632, 248305), (790, 198644), (937, 167480), (1060, 148046), (1580, 99322), (1874, 83740), (2120, 74023), (3160, 49661), (3748, 41870), (4187, 37480), (4685, 33496), (7496, 20935), (8374, 18740), (9370, 16748)]