1809867780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{478801}}^1$

素因数の和:478826

約数の個数: 96

約数和(自身を含む): 6435098880

約数和(自身を除く): 4625231100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 478801, 957602, 1436403, 1915204, 2394005, 2872806, 3351607, 4309209, 4788010, 5745612, 6703214, 7182015, 8618418, 9576020, 10054821, 12927627, 13406428, 14364030, 16758035, 17236836, 20109642, 21546045, 25855254, 28728060, 30164463, 33516070, 40219284, 43092090, 50274105, 51710508, 60328926, 64638135, 67032140, 86184180, 90493389, 100548210, 120657852, 129276270, 150822315, 180986778, 201096420, 258552540, 301644630, 361973556, 452466945, 603289260, 904933890, 1809867780]

約数ペア:

[(1, 1809867780), (2, 904933890), (3, 603289260), (4, 452466945), (5, 361973556), (6, 301644630), (7, 258552540), (9, 201096420), (10, 180986778), (12, 150822315), (14, 129276270), (15, 120657852), (18, 100548210), (20, 90493389), (21, 86184180), (27, 67032140), (28, 64638135), (30, 60328926), (35, 51710508), (36, 50274105), (42, 43092090), (45, 40219284), (54, 33516070), (60, 30164463), (63, 28728060), (70, 25855254), (84, 21546045), (90, 20109642), (105, 17236836), (108, 16758035), (126, 14364030), (135, 13406428), (140, 12927627), (180, 10054821), (189, 9576020), (210, 8618418), (252, 7182015), (270, 6703214), (315, 5745612), (378, 4788010), (420, 4309209), (540, 3351607), (630, 2872806), (756, 2394005), (945, 1915204), (1260, 1436403), (1890, 957602), (3780, 478801)]