1389867120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{643457}}^1$

素因数の和:643479

約数の個数: 80

約数和(自身を含む): 4787327520

約数和(自身を除く): 3397460400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 643457, 1286914, 1930371, 2573828, 3217285, 3860742, 5147656, 5791113, 6434570, 7721484, 9651855, 10295312, 11582226, 12869140, 15442968, 17373339, 19303710, 23164452, 25738280, 28955565, 30885936, 34746678, 38607420, 46328904, 51476560, 57911130, 69493356, 77214840, 86866695, 92657808, 115822260, 138986712, 154429680, 173733390, 231644520, 277973424, 347466780, 463289040, 694933560, 1389867120]

約数ペア:

[(1, 1389867120), (2, 694933560), (3, 463289040), (4, 347466780), (5, 277973424), (6, 231644520), (8, 173733390), (9, 154429680), (10, 138986712), (12, 115822260), (15, 92657808), (16, 86866695), (18, 77214840), (20, 69493356), (24, 57911130), (27, 51476560), (30, 46328904), (36, 38607420), (40, 34746678), (45, 30885936), (48, 28955565), (54, 25738280), (60, 23164452), (72, 19303710), (80, 17373339), (90, 15442968), (108, 12869140), (120, 11582226), (135, 10295312), (144, 9651855), (180, 7721484), (216, 6434570), (240, 5791113), (270, 5147656), (360, 3860742), (432, 3217285), (540, 2573828), (720, 1930371), (1080, 1286914), (2160, 643457)]