1239475840

素因数分解:

$2^7\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5851}}^1$

素因数の和:6201

約数の個数: 64

約数和(自身を含む): 2972581920

約数和(自身を除く): 1733106080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 331, 640, 662, 1324, 1655, 2648, 3310, 5296, 5851, 6620, 10592, 11702, 13240, 21184, 23404, 26480, 29255, 42368, 46808, 52960, 58510, 93616, 105920, 117020, 187232, 211840, 234040, 374464, 468080, 748928, 936160, 1872320, 1936681, 3744640, 3873362, 7746724, 9683405, 15493448, 19366810, 30986896, 38733620, 61973792, 77467240, 123947584, 154934480, 247895168, 309868960, 619737920, 1239475840]

約数ペア:

[(1, 1239475840), (2, 619737920), (4, 309868960), (5, 247895168), (8, 154934480), (10, 123947584), (16, 77467240), (20, 61973792), (32, 38733620), (40, 30986896), (64, 19366810), (80, 15493448), (128, 9683405), (160, 7746724), (320, 3873362), (331, 3744640), (640, 1936681), (662, 1872320), (1324, 936160), (1655, 748928), (2648, 468080), (3310, 374464), (5296, 234040), (5851, 211840), (6620, 187232), (10592, 117020), (11702, 105920), (13240, 93616), (21184, 58510), (23404, 52960), (26480, 46808), (29255, 42368)]