317262080

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3491}}^1$

素因数の和:3583

約数の個数: 72

約数和(自身を含む): 770865984

約数和(自身を除く): 453603904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 2272, 2840, 3491, 4544, 5680, 6982, 9088, 11360, 13964, 17455, 18176, 22720, 27928, 34910, 45440, 55856, 69820, 90880, 111712, 139640, 223424, 247861, 279280, 446848, 495722, 558560, 893696, 991444, 1117120, 1239305, 1982888, 2234240, 2478610, 3965776, 4468480, 4957220, 7931552, 9914440, 15863104, 19828880, 31726208, 39657760, 63452416, 79315520, 158631040, 317262080]

約数ペア:

[(1, 317262080), (2, 158631040), (4, 79315520), (5, 63452416), (8, 39657760), (10, 31726208), (16, 19828880), (20, 15863104), (32, 9914440), (40, 7931552), (64, 4957220), (71, 4468480), (80, 3965776), (128, 2478610), (142, 2234240), (160, 1982888), (256, 1239305), (284, 1117120), (320, 991444), (355, 893696), (568, 558560), (640, 495722), (710, 446848), (1136, 279280), (1280, 247861), (1420, 223424), (2272, 139640), (2840, 111712), (3491, 90880), (4544, 69820), (5680, 55856), (6982, 45440), (9088, 34910), (11360, 27928), (13964, 22720), (17455, 18176)]