781021080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{309929}}^1$

素因数の和:309953

約数の個数: 96

約数和(自身を含む): 2900944800

約数和(自身を除く): 2119923720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 309929, 619858, 929787, 1239716, 1549645, 1859574, 2169503, 2479432, 2789361, 3099290, 3719148, 4339006, 4648935, 5578722, 6198580, 6508509, 7438296, 8678012, 9297870, 10847515, 11157444, 12397160, 13017018, 13946805, 17356024, 18595740, 19525527, 21695030, 22314888, 26034036, 27893610, 32542545, 37191480, 39051054, 43390060, 52068072, 55787220, 65085090, 78102108, 86780120, 97627635, 111574440, 130170180, 156204216, 195255270, 260340360, 390510540, 781021080]

約数ペア:

[(1, 781021080), (2, 390510540), (3, 260340360), (4, 195255270), (5, 156204216), (6, 130170180), (7, 111574440), (8, 97627635), (9, 86780120), (10, 78102108), (12, 65085090), (14, 55787220), (15, 52068072), (18, 43390060), (20, 39051054), (21, 37191480), (24, 32542545), (28, 27893610), (30, 26034036), (35, 22314888), (36, 21695030), (40, 19525527), (42, 18595740), (45, 17356024), (56, 13946805), (60, 13017018), (63, 12397160), (70, 11157444), (72, 10847515), (84, 9297870), (90, 8678012), (105, 7438296), (120, 6508509), (126, 6198580), (140, 5578722), (168, 4648935), (180, 4339006), (210, 3719148), (252, 3099290), (280, 2789361), (315, 2479432), (360, 2169503), (420, 1859574), (504, 1549645), (630, 1239716), (840, 929787), (1260, 619858), (2520, 309929)]