1279606720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13933}}^1$

素因数の和:13998

約数の個数: 112

約数和(自身を含む): 3567549888

約数和(自身を除く): 2287943168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 320, 328, 410, 448, 560, 574, 656, 820, 1120, 1148, 1312, 1435, 1640, 2240, 2296, 2624, 2870, 3280, 4592, 5740, 6560, 9184, 11480, 13120, 13933, 18368, 22960, 27866, 45920, 55732, 69665, 91840, 97531, 111464, 139330, 195062, 222928, 278660, 390124, 445856, 487655, 557320, 571253, 780248, 891712, 975310, 1114640, 1142506, 1560496, 1950620, 2229280, 2285012, 2856265, 3120992, 3901240, 3998771, 4458560, 4570024, 5712530, 6241984, 7802480, 7997542, 9140048, 11425060, 15604960, 15995084, 18280096, 19993855, 22850120, 31209920, 31990168, 36560192, 39987710, 45700240, 63980336, 79975420, 91400480, 127960672, 159950840, 182800960, 255921344, 319901680, 639803360, 1279606720]

約数ペア:

[(1, 1279606720), (2, 639803360), (4, 319901680), (5, 255921344), (7, 182800960), (8, 159950840), (10, 127960672), (14, 91400480), (16, 79975420), (20, 63980336), (28, 45700240), (32, 39987710), (35, 36560192), (40, 31990168), (41, 31209920), (56, 22850120), (64, 19993855), (70, 18280096), (80, 15995084), (82, 15604960), (112, 11425060), (140, 9140048), (160, 7997542), (164, 7802480), (205, 6241984), (224, 5712530), (280, 4570024), (287, 4458560), (320, 3998771), (328, 3901240), (410, 3120992), (448, 2856265), (560, 2285012), (574, 2229280), (656, 1950620), (820, 1560496), (1120, 1142506), (1148, 1114640), (1312, 975310), (1435, 891712), (1640, 780248), (2240, 571253), (2296, 557320), (2624, 487655), (2870, 445856), (3280, 390124), (4592, 278660), (5740, 222928), (6560, 195062), (9184, 139330), (11480, 111464), (13120, 97531), (13933, 91840), (18368, 69665), (22960, 55732), (27866, 45920)]