256548240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27409}}^1$

素因数の和:27441

約数の個数: 120

約数和(自身を含む): 927883320

約数和(自身を除く): 671335080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 27409, 54818, 82227, 109636, 137045, 164454, 219272, 246681, 274090, 328908, 356317, 411135, 438544, 493362, 548180, 657816, 712634, 822270, 986724, 1068951, 1096360, 1233405, 1315632, 1425268, 1644540, 1781585, 1973448, 2137902, 2192720, 2466810, 2850536, 3206853, 3289080, 3563170, 3946896, 4275804, 4933620, 5344755, 5701072, 6413706, 6578160, 7126340, 8551608, 9867240, 10689510, 12827412, 14252680, 16034265, 17103216, 19734480, 21379020, 25654824, 28505360, 32068530, 42758040, 51309648, 64137060, 85516080, 128274120, 256548240]

約数ペア:

[(1, 256548240), (2, 128274120), (3, 85516080), (4, 64137060), (5, 51309648), (6, 42758040), (8, 32068530), (9, 28505360), (10, 25654824), (12, 21379020), (13, 19734480), (15, 17103216), (16, 16034265), (18, 14252680), (20, 12827412), (24, 10689510), (26, 9867240), (30, 8551608), (36, 7126340), (39, 6578160), (40, 6413706), (45, 5701072), (48, 5344755), (52, 4933620), (60, 4275804), (65, 3946896), (72, 3563170), (78, 3289080), (80, 3206853), (90, 2850536), (104, 2466810), (117, 2192720), (120, 2137902), (130, 1973448), (144, 1781585), (156, 1644540), (180, 1425268), (195, 1315632), (208, 1233405), (234, 1096360), (240, 1068951), (260, 986724), (312, 822270), (360, 712634), (390, 657816), (468, 548180), (520, 493362), (585, 438544), (624, 411135), (720, 356317), (780, 328908), (936, 274090), (1040, 246681), (1170, 219272), (1560, 164454), (1872, 137045), (2340, 109636), (3120, 82227), (4680, 54818), (9360, 27409)]