641323440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{296909}}^1$

素因数の和:296931

約数の個数: 80

約数和(自身を含む): 2209010400

約数和(自身を除く): 1567686960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 296909, 593818, 890727, 1187636, 1484545, 1781454, 2375272, 2672181, 2969090, 3562908, 4453635, 4750544, 5344362, 5938180, 7125816, 8016543, 8907270, 10688724, 11876360, 13360905, 14251632, 16033086, 17814540, 21377448, 23752720, 26721810, 32066172, 35629080, 40082715, 42754896, 53443620, 64132344, 71258160, 80165430, 106887240, 128264688, 160330860, 213774480, 320661720, 641323440]

約数ペア:

[(1, 641323440), (2, 320661720), (3, 213774480), (4, 160330860), (5, 128264688), (6, 106887240), (8, 80165430), (9, 71258160), (10, 64132344), (12, 53443620), (15, 42754896), (16, 40082715), (18, 35629080), (20, 32066172), (24, 26721810), (27, 23752720), (30, 21377448), (36, 17814540), (40, 16033086), (45, 14251632), (48, 13360905), (54, 11876360), (60, 10688724), (72, 8907270), (80, 8016543), (90, 7125816), (108, 5938180), (120, 5344362), (135, 4750544), (144, 4453635), (180, 3562908), (216, 2969090), (240, 2672181), (270, 2375272), (360, 1781454), (432, 1484545), (540, 1187636), (720, 890727), (1080, 593818), (2160, 296909)]