206651340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:832

約数の個数: 144

約数和(自身を含む): 719933760

約数和(自身を除く): 513282420

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, 401, 409, 420, 630, 802, 818, 1203, 1227, 1260, 1604, 1636, 2005, 2045, 2406, 2454, 2807, 2863, 3609, 3681, 4010, 4090, 4812, 4908, 5614, 5726, 6015, 6135, 7218, 7362, 8020, 8180, 8421, 8589, 11228, 11452, 12030, 12270, 14035, 14315, 14436, 14724, 16842, 17178, 18045, 18405, 24060, 24540, 25263, 25767, 28070, 28630, 33684, 34356, 36090, 36810, 42105, 42945, 50526, 51534, 56140, 57260, 72180, 73620, 84210, 85890, 101052, 103068, 126315, 128835, 164009, 168420, 171780, 252630, 257670, 328018, 492027, 505260, 515340, 656036, 820045, 984054, 1148063, 1476081, 1640090, 1968108, 2296126, 2460135, 2952162, 3280180, 3444189, 4592252, 4920270, 5740315, 5904324, 6888378, 7380405, 9840540, 10332567, 11480630, 13776756, 14760810, 17220945, 20665134, 22961260, 29521620, 34441890, 41330268, 51662835, 68883780, 103325670, 206651340]

約数ペア:

[(1, 206651340), (2, 103325670), (3, 68883780), (4, 51662835), (5, 41330268), (6, 34441890), (7, 29521620), (9, 22961260), (10, 20665134), (12, 17220945), (14, 14760810), (15, 13776756), (18, 11480630), (20, 10332567), (21, 9840540), (28, 7380405), (30, 6888378), (35, 5904324), (36, 5740315), (42, 4920270), (45, 4592252), (60, 3444189), (63, 3280180), (70, 2952162), (84, 2460135), (90, 2296126), (105, 1968108), (126, 1640090), (140, 1476081), (180, 1148063), (210, 984054), (252, 820045), (315, 656036), (401, 515340), (409, 505260), (420, 492027), (630, 328018), (802, 257670), (818, 252630), (1203, 171780), (1227, 168420), (1260, 164009), (1604, 128835), (1636, 126315), (2005, 103068), (2045, 101052), (2406, 85890), (2454, 84210), (2807, 73620), (2863, 72180), (3609, 57260), (3681, 56140), (4010, 51534), (4090, 50526), (4812, 42945), (4908, 42105), (5614, 36810), (5726, 36090), (6015, 34356), (6135, 33684), (7218, 28630), (7362, 28070), (8020, 25767), (8180, 25263), (8421, 24540), (8589, 24060), (11228, 18405), (11452, 18045), (12030, 17178), (12270, 16842), (14035, 14724), (14315, 14436)]