808702020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{641827}}^1$

素因数の和:641849

約数の個数: 72

約数和(自身を含む): 2803504704

約数和(自身を除く): 1994802684

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, 630, 1260, 641827, 1283654, 1925481, 2567308, 3209135, 3850962, 4492789, 5776443, 6418270, 7701924, 8985578, 9627405, 11552886, 12836540, 13478367, 17971156, 19254810, 22463945, 23105772, 26956734, 28882215, 38509620, 40435101, 44927890, 53913468, 57764430, 67391835, 80870202, 89855780, 115528860, 134783670, 161740404, 202175505, 269567340, 404351010, 808702020]

約数ペア:

[(1, 808702020), (2, 404351010), (3, 269567340), (4, 202175505), (5, 161740404), (6, 134783670), (7, 115528860), (9, 89855780), (10, 80870202), (12, 67391835), (14, 57764430), (15, 53913468), (18, 44927890), (20, 40435101), (21, 38509620), (28, 28882215), (30, 26956734), (35, 23105772), (36, 22463945), (42, 19254810), (45, 17971156), (60, 13478367), (63, 12836540), (70, 11552886), (84, 9627405), (90, 8985578), (105, 7701924), (126, 6418270), (140, 5776443), (180, 4492789), (210, 3850962), (252, 3209135), (315, 2567308), (420, 1925481), (630, 1283654), (1260, 641827)]