777420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{617}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 2699424

約数和(自身を除く): 1922004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 617, 630, 1234, 1260, 1851, 2468, 3085, 3702, 4319, 5553, 6170, 7404, 8638, 9255, 11106, 12340, 12957, 17276, 18510, 21595, 22212, 25914, 27765, 37020, 38871, 43190, 51828, 55530, 64785, 77742, 86380, 111060, 129570, 155484, 194355, 259140, 388710, 777420]

約数ペア:

[(1, 777420), (2, 388710), (3, 259140), (4, 194355), (5, 155484), (6, 129570), (7, 111060), (9, 86380), (10, 77742), (12, 64785), (14, 55530), (15, 51828), (18, 43190), (20, 38871), (21, 37020), (28, 27765), (30, 25914), (35, 22212), (36, 21595), (42, 18510), (45, 17276), (60, 12957), (63, 12340), (70, 11106), (84, 9255), (90, 8638), (105, 7404), (126, 6170), (140, 5553), (180, 4319), (210, 3702), (252, 3085), (315, 2468), (420, 1851), (617, 1260), (630, 1234)]