51687540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 165634560

約数和(自身を除く): 113947020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 59, 60, 62, 90, 93, 118, 124, 155, 157, 177, 180, 186, 236, 279, 295, 310, 314, 354, 372, 465, 471, 531, 558, 590, 620, 628, 708, 785, 885, 930, 942, 1062, 1116, 1180, 1395, 1413, 1570, 1770, 1829, 1860, 1884, 2124, 2355, 2655, 2790, 2826, 3140, 3540, 3658, 4710, 4867, 5310, 5487, 5580, 5652, 7065, 7316, 9145, 9263, 9420, 9734, 10620, 10974, 14130, 14601, 16461, 18290, 18526, 19468, 21948, 24335, 27435, 27789, 28260, 29202, 32922, 36580, 37052, 43803, 46315, 48670, 54870, 55578, 58404, 65844, 73005, 82305, 83367, 87606, 92630, 97340, 109740, 111156, 138945, 146010, 164610, 166734, 175212, 185260, 219015, 277890, 287153, 292020, 329220, 333468, 416835, 438030, 555780, 574306, 833670, 861459, 876060, 1148612, 1435765, 1667340, 1722918, 2584377, 2871530, 3445836, 4307295, 5168754, 5743060, 8614590, 10337508, 12921885, 17229180, 25843770, 51687540]

約数ペア:

[(1, 51687540), (2, 25843770), (3, 17229180), (4, 12921885), (5, 10337508), (6, 8614590), (9, 5743060), (10, 5168754), (12, 4307295), (15, 3445836), (18, 2871530), (20, 2584377), (30, 1722918), (31, 1667340), (36, 1435765), (45, 1148612), (59, 876060), (60, 861459), (62, 833670), (90, 574306), (93, 555780), (118, 438030), (124, 416835), (155, 333468), (157, 329220), (177, 292020), (180, 287153), (186, 277890), (236, 219015), (279, 185260), (295, 175212), (310, 166734), (314, 164610), (354, 146010), (372, 138945), (465, 111156), (471, 109740), (531, 97340), (558, 92630), (590, 87606), (620, 83367), (628, 82305), (708, 73005), (785, 65844), (885, 58404), (930, 55578), (942, 54870), (1062, 48670), (1116, 46315), (1180, 43803), (1395, 37052), (1413, 36580), (1570, 32922), (1770, 29202), (1829, 28260), (1860, 27789), (1884, 27435), (2124, 24335), (2355, 21948), (2655, 19468), (2790, 18526), (2826, 18290), (3140, 16461), (3540, 14601), (3658, 14130), (4710, 10974), (4867, 10620), (5310, 9734), (5487, 9420), (5580, 9263), (5652, 9145), (7065, 7316)]