21860880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1153}}^1$

素因数の和:1248

約数の個数: 80

約数和(自身を含む): 68686080

約数和(自身を除く): 46825200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1153, 1185, 1264, 1580, 1896, 2306, 2370, 3160, 3459, 3792, 4612, 4740, 5765, 6320, 6918, 9224, 9480, 11530, 13836, 17295, 18448, 18960, 23060, 27672, 34590, 46120, 55344, 69180, 91087, 92240, 138360, 182174, 273261, 276720, 364348, 455435, 546522, 728696, 910870, 1093044, 1366305, 1457392, 1821740, 2186088, 2732610, 3643480, 4372176, 5465220, 7286960, 10930440, 21860880]

約数ペア:

[(1, 21860880), (2, 10930440), (3, 7286960), (4, 5465220), (5, 4372176), (6, 3643480), (8, 2732610), (10, 2186088), (12, 1821740), (15, 1457392), (16, 1366305), (20, 1093044), (24, 910870), (30, 728696), (40, 546522), (48, 455435), (60, 364348), (79, 276720), (80, 273261), (120, 182174), (158, 138360), (237, 92240), (240, 91087), (316, 69180), (395, 55344), (474, 46120), (632, 34590), (790, 27672), (948, 23060), (1153, 18960), (1185, 18448), (1264, 17295), (1580, 13836), (1896, 11530), (2306, 9480), (2370, 9224), (3160, 6918), (3459, 6320), (3792, 5765), (4612, 4740)]