515340

素因数分解:

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

素因数の和:431

約数の個数: 72

約数和(自身を含む): 1790880

約数和(自身を除く): 1275540

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, 409, 420, 630, 818, 1227, 1260, 1636, 2045, 2454, 2863, 3681, 4090, 4908, 5726, 6135, 7362, 8180, 8589, 11452, 12270, 14315, 14724, 17178, 18405, 24540, 25767, 28630, 34356, 36810, 42945, 51534, 57260, 73620, 85890, 103068, 128835, 171780, 257670, 515340]

約数ペア:

[(1, 515340), (2, 257670), (3, 171780), (4, 128835), (5, 103068), (6, 85890), (7, 73620), (9, 57260), (10, 51534), (12, 42945), (14, 36810), (15, 34356), (18, 28630), (20, 25767), (21, 24540), (28, 18405), (30, 17178), (35, 14724), (36, 14315), (42, 12270), (45, 11452), (60, 8589), (63, 8180), (70, 7362), (84, 6135), (90, 5726), (105, 4908), (126, 4090), (140, 3681), (180, 2863), (210, 2454), (252, 2045), (315, 1636), (409, 1260), (420, 1227), (630, 818)]