1259098240

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18049}}^1$

素因数の和:18177

約数の個数: 64

約数和(自身を含む): 3037815000

約数和(自身を除く): 1778716760

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, 2180, 3488, 4360, 6976, 8720, 13952, 17440, 18049, 34880, 36098, 69760, 72196, 90245, 144392, 180490, 288784, 360980, 577568, 721960, 1155136, 1443920, 1967341, 2310272, 2887840, 3934682, 5775680, 7869364, 9836705, 11551360, 15738728, 19673410, 31477456, 39346820, 62954912, 78693640, 125909824, 157387280, 251819648, 314774560, 629549120, 1259098240]

約数ペア:

[(1, 1259098240), (2, 629549120), (4, 314774560), (5, 251819648), (8, 157387280), (10, 125909824), (16, 78693640), (20, 62954912), (32, 39346820), (40, 31477456), (64, 19673410), (80, 15738728), (109, 11551360), (128, 9836705), (160, 7869364), (218, 5775680), (320, 3934682), (436, 2887840), (545, 2310272), (640, 1967341), (872, 1443920), (1090, 1155136), (1744, 721960), (2180, 577568), (3488, 360980), (4360, 288784), (6976, 180490), (8720, 144392), (13952, 90245), (17440, 72196), (18049, 69760), (34880, 36098)]