68287440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 160

約数和(自身を含む): 233735040

約数和(自身を除く): 165447600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 43, 48, 52, 60, 65, 78, 80, 86, 104, 120, 129, 130, 156, 172, 195, 208, 215, 240, 258, 260, 312, 344, 390, 430, 509, 516, 520, 559, 624, 645, 688, 780, 860, 1018, 1032, 1040, 1118, 1290, 1527, 1560, 1677, 1720, 2036, 2064, 2236, 2545, 2580, 2795, 3054, 3120, 3354, 3440, 4072, 4472, 5090, 5160, 5590, 6108, 6617, 6708, 7635, 8144, 8385, 8944, 10180, 10320, 11180, 12216, 13234, 13416, 15270, 16770, 19851, 20360, 21887, 22360, 24432, 26468, 26832, 30540, 33085, 33540, 39702, 40720, 43774, 44720, 52936, 61080, 65661, 66170, 67080, 79404, 87548, 99255, 105872, 109435, 122160, 131322, 132340, 134160, 158808, 175096, 198510, 218870, 262644, 264680, 284531, 317616, 328305, 350192, 397020, 437740, 525288, 529360, 569062, 656610, 794040, 853593, 875480, 1050576, 1138124, 1313220, 1422655, 1588080, 1707186, 1750960, 2276248, 2626440, 2845310, 3414372, 4267965, 4552496, 5252880, 5690620, 6828744, 8535930, 11381240, 13657488, 17071860, 22762480, 34143720, 68287440]

約数ペア:

[(1, 68287440), (2, 34143720), (3, 22762480), (4, 17071860), (5, 13657488), (6, 11381240), (8, 8535930), (10, 6828744), (12, 5690620), (13, 5252880), (15, 4552496), (16, 4267965), (20, 3414372), (24, 2845310), (26, 2626440), (30, 2276248), (39, 1750960), (40, 1707186), (43, 1588080), (48, 1422655), (52, 1313220), (60, 1138124), (65, 1050576), (78, 875480), (80, 853593), (86, 794040), (104, 656610), (120, 569062), (129, 529360), (130, 525288), (156, 437740), (172, 397020), (195, 350192), (208, 328305), (215, 317616), (240, 284531), (258, 264680), (260, 262644), (312, 218870), (344, 198510), (390, 175096), (430, 158808), (509, 134160), (516, 132340), (520, 131322), (559, 122160), (624, 109435), (645, 105872), (688, 99255), (780, 87548), (860, 79404), (1018, 67080), (1032, 66170), (1040, 65661), (1118, 61080), (1290, 52936), (1527, 44720), (1560, 43774), (1677, 40720), (1720, 39702), (2036, 33540), (2064, 33085), (2236, 30540), (2545, 26832), (2580, 26468), (2795, 24432), (3054, 22360), (3120, 21887), (3354, 20360), (3440, 19851), (4072, 16770), (4472, 15270), (5090, 13416), (5160, 13234), (5590, 12216), (6108, 11180), (6617, 10320), (6708, 10180), (7635, 8944), (8144, 8385)]