1811984580

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{159787}}^1$

素因数の和:159815

約数の個数: 120

約数和(自身を含む): 6496340928

約数和(自身を除く): 4684356348

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, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 159787, 319574, 479361, 639148, 798935, 958722, 1118509, 1438083, 1597870, 1917444, 2237018, 2396805, 2876166, 3195740, 3355527, 4314249, 4474036, 4793610, 5592545, 5752332, 6711054, 7190415, 8628498, 9587220, 10066581, 11185090, 12942747, 13422108, 14380830, 16777635, 17256996, 20133162, 21571245, 22370180, 25885494, 28761660, 30199743, 33555270, 40266324, 43142490, 50332905, 51770988, 60399486, 64713735, 67110540, 86284980, 90599229, 100665810, 120798972, 129427470, 150998715, 181198458, 201331620, 258854940, 301997430, 362396916, 452996145, 603994860, 905992290, 1811984580]

約数ペア:

[(1, 1811984580), (2, 905992290), (3, 603994860), (4, 452996145), (5, 362396916), (6, 301997430), (7, 258854940), (9, 201331620), (10, 181198458), (12, 150998715), (14, 129427470), (15, 120798972), (18, 100665810), (20, 90599229), (21, 86284980), (27, 67110540), (28, 64713735), (30, 60399486), (35, 51770988), (36, 50332905), (42, 43142490), (45, 40266324), (54, 33555270), (60, 30199743), (63, 28761660), (70, 25885494), (81, 22370180), (84, 21571245), (90, 20133162), (105, 17256996), (108, 16777635), (126, 14380830), (135, 13422108), (140, 12942747), (162, 11185090), (180, 10066581), (189, 9587220), (210, 8628498), (252, 7190415), (270, 6711054), (315, 5752332), (324, 5592545), (378, 4793610), (405, 4474036), (420, 4314249), (540, 3355527), (567, 3195740), (630, 2876166), (756, 2396805), (810, 2237018), (945, 1917444), (1134, 1597870), (1260, 1438083), (1620, 1118509), (1890, 958722), (2268, 798935), (2835, 639148), (3780, 479361), (5670, 319574), (11340, 159787)]