256810320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27437}}^1$

素因数の和:27469

約数の個数: 120

約数和(自身を含む): 928831176

約数和(自身を除く): 672020856

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, 27437, 54874, 82311, 109748, 137185, 164622, 219496, 246933, 274370, 329244, 356681, 411555, 438992, 493866, 548740, 658488, 713362, 823110, 987732, 1070043, 1097480, 1234665, 1316976, 1426724, 1646220, 1783405, 1975464, 2140086, 2194960, 2469330, 2853448, 3210129, 3292440, 3566810, 3950928, 4280172, 4938660, 5350215, 5706896, 6420258, 6584880, 7133620, 8560344, 9877320, 10700430, 12840516, 14267240, 16050645, 17120688, 19754640, 21400860, 25681032, 28534480, 32101290, 42801720, 51362064, 64202580, 85603440, 128405160, 256810320]

約数ペア:

[(1, 256810320), (2, 128405160), (3, 85603440), (4, 64202580), (5, 51362064), (6, 42801720), (8, 32101290), (9, 28534480), (10, 25681032), (12, 21400860), (13, 19754640), (15, 17120688), (16, 16050645), (18, 14267240), (20, 12840516), (24, 10700430), (26, 9877320), (30, 8560344), (36, 7133620), (39, 6584880), (40, 6420258), (45, 5706896), (48, 5350215), (52, 4938660), (60, 4280172), (65, 3950928), (72, 3566810), (78, 3292440), (80, 3210129), (90, 2853448), (104, 2469330), (117, 2194960), (120, 2140086), (130, 1975464), (144, 1783405), (156, 1646220), (180, 1426724), (195, 1316976), (208, 1234665), (234, 1097480), (240, 1070043), (260, 987732), (312, 823110), (360, 713362), (390, 658488), (468, 548740), (520, 493866), (585, 438992), (624, 411555), (720, 356681), (780, 329244), (936, 274370), (1040, 246933), (1170, 219496), (1560, 164622), (1872, 137185), (2340, 109748), (3120, 82311), (4680, 54874), (9360, 27437)]