807660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{641}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 2804256

約数和(自身を除く): 1996596

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, 641, 1260, 1282, 1923, 2564, 3205, 3846, 4487, 5769, 6410, 7692, 8974, 9615, 11538, 12820, 13461, 17948, 19230, 22435, 23076, 26922, 28845, 38460, 40383, 44870, 53844, 57690, 67305, 80766, 89740, 115380, 134610, 161532, 201915, 269220, 403830, 807660]

約数ペア:

[(1, 807660), (2, 403830), (3, 269220), (4, 201915), (5, 161532), (6, 134610), (7, 115380), (9, 89740), (10, 80766), (12, 67305), (14, 57690), (15, 53844), (18, 44870), (20, 40383), (21, 38460), (28, 28845), (30, 26922), (35, 23076), (36, 22435), (42, 19230), (45, 17948), (60, 13461), (63, 12820), (70, 11538), (84, 9615), (90, 8974), (105, 7692), (126, 6410), (140, 5769), (180, 4487), (210, 3846), (252, 3205), (315, 2564), (420, 1923), (630, 1282), (641, 1260)]