1280755736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{6451}}^1$

素因数の和:6576

約数の個数: 64

約数和(自身を含む): 2731518720

約数和(自身を除く): 1450762984

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 83, 92, 104, 166, 184, 299, 332, 598, 664, 1079, 1196, 1909, 2158, 2392, 3818, 4316, 6451, 7636, 8632, 12902, 15272, 24817, 25804, 49634, 51608, 83863, 99268, 148373, 167726, 198536, 296746, 335452, 535433, 593492, 670904, 1070866, 1186984, 1928849, 2141732, 3857698, 4283464, 6960629, 7715396, 12314959, 13921258, 15430792, 24629918, 27842516, 49259836, 55685032, 98519672, 160094467, 320188934, 640377868, 1280755736]

約数ペア:

[(1, 1280755736), (2, 640377868), (4, 320188934), (8, 160094467), (13, 98519672), (23, 55685032), (26, 49259836), (46, 27842516), (52, 24629918), (83, 15430792), (92, 13921258), (104, 12314959), (166, 7715396), (184, 6960629), (299, 4283464), (332, 3857698), (598, 2141732), (664, 1928849), (1079, 1186984), (1196, 1070866), (1909, 670904), (2158, 593492), (2392, 535433), (3818, 335452), (4316, 296746), (6451, 198536), (7636, 167726), (8632, 148373), (12902, 99268), (15272, 83863), (24817, 51608), (25804, 49634)]