80621280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{55987}}^1$

素因数の和:56008

約数の個数: 72

約数和(自身を含む): 275125032

約数和(自身を除く): 194503752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 55987, 111974, 167961, 223948, 279935, 335922, 447896, 503883, 559870, 671844, 839805, 895792, 1007766, 1119740, 1343688, 1679610, 1791584, 2015532, 2239480, 2519415, 2687376, 3359220, 4031064, 4478960, 5038830, 5374752, 6718440, 8062128, 8957920, 10077660, 13436880, 16124256, 20155320, 26873760, 40310640, 80621280]

約数ペア:

[(1, 80621280), (2, 40310640), (3, 26873760), (4, 20155320), (5, 16124256), (6, 13436880), (8, 10077660), (9, 8957920), (10, 8062128), (12, 6718440), (15, 5374752), (16, 5038830), (18, 4478960), (20, 4031064), (24, 3359220), (30, 2687376), (32, 2519415), (36, 2239480), (40, 2015532), (45, 1791584), (48, 1679610), (60, 1343688), (72, 1119740), (80, 1007766), (90, 895792), (96, 839805), (120, 671844), (144, 559870), (160, 503883), (180, 447896), (240, 335922), (288, 279935), (360, 223948), (480, 167961), (720, 111974), (1440, 55987)]