640835568

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1069}}^1$

素因数の和:1287

約数の個数: 120

約数和(自身を含む): 1883525280

約数和(自身を除く): 1242689712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 181, 184, 207, 276, 362, 368, 414, 543, 552, 724, 828, 1069, 1086, 1104, 1448, 1629, 1656, 2138, 2172, 2896, 3207, 3258, 3312, 4163, 4276, 4344, 6414, 6516, 8326, 8552, 8688, 9621, 12489, 12828, 13032, 16652, 17104, 19242, 24587, 24978, 25656, 26064, 33304, 37467, 38484, 49174, 49956, 51312, 66608, 73761, 74934, 76968, 98348, 99912, 147522, 149868, 153936, 193489, 196696, 199824, 221283, 295044, 299736, 386978, 393392, 442566, 580467, 590088, 599472, 773956, 885132, 1160934, 1180176, 1547912, 1741401, 1770264, 2321868, 3095824, 3482802, 3540528, 4450247, 4643736, 6965604, 8900494, 9287472, 13350741, 13931208, 17800988, 26701482, 27862416, 35601976, 40052223, 53402964, 71203952, 80104446, 106805928, 160208892, 213611856, 320417784, 640835568]

約数ペア:

[(1, 640835568), (2, 320417784), (3, 213611856), (4, 160208892), (6, 106805928), (8, 80104446), (9, 71203952), (12, 53402964), (16, 40052223), (18, 35601976), (23, 27862416), (24, 26701482), (36, 17800988), (46, 13931208), (48, 13350741), (69, 9287472), (72, 8900494), (92, 6965604), (138, 4643736), (144, 4450247), (181, 3540528), (184, 3482802), (207, 3095824), (276, 2321868), (362, 1770264), (368, 1741401), (414, 1547912), (543, 1180176), (552, 1160934), (724, 885132), (828, 773956), (1069, 599472), (1086, 590088), (1104, 580467), (1448, 442566), (1629, 393392), (1656, 386978), (2138, 299736), (2172, 295044), (2896, 221283), (3207, 199824), (3258, 196696), (3312, 193489), (4163, 153936), (4276, 149868), (4344, 147522), (6414, 99912), (6516, 98348), (8326, 76968), (8552, 74934), (8688, 73761), (9621, 66608), (12489, 51312), (12828, 49956), (13032, 49174), (16652, 38484), (17104, 37467), (19242, 33304), (24587, 26064), (24978, 25656)]