1392490480

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{1087}}^1$

素因数の和:1406

約数の個数: 80

約数和(自身を含む): 3302645760

約数和(自身を除く): 1910155280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 239, 268, 335, 478, 536, 670, 956, 1072, 1087, 1195, 1340, 1912, 2174, 2390, 2680, 3824, 4348, 4780, 5360, 5435, 8696, 9560, 10870, 16013, 17392, 19120, 21740, 32026, 43480, 64052, 72829, 80065, 86960, 128104, 145658, 160130, 256208, 259793, 291316, 320260, 364145, 519586, 582632, 640520, 728290, 1039172, 1165264, 1281040, 1298965, 1456580, 2078344, 2597930, 2913160, 4156688, 5195860, 5826320, 10391720, 17406131, 20783440, 34812262, 69624524, 87030655, 139249048, 174061310, 278498096, 348122620, 696245240, 1392490480]

約数ペア:

[(1, 1392490480), (2, 696245240), (4, 348122620), (5, 278498096), (8, 174061310), (10, 139249048), (16, 87030655), (20, 69624524), (40, 34812262), (67, 20783440), (80, 17406131), (134, 10391720), (239, 5826320), (268, 5195860), (335, 4156688), (478, 2913160), (536, 2597930), (670, 2078344), (956, 1456580), (1072, 1298965), (1087, 1281040), (1195, 1165264), (1340, 1039172), (1912, 728290), (2174, 640520), (2390, 582632), (2680, 519586), (3824, 364145), (4348, 320260), (4780, 291316), (5360, 259793), (5435, 256208), (8696, 160130), (9560, 145658), (10870, 128104), (16013, 86960), (17392, 80065), (19120, 72829), (21740, 64052), (32026, 43480)]