81131544

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9631}}^1$

素因数の和:9662

約数の個数: 80

約数和(自身を含む): 244749120

約数和(自身を除く): 163617576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 9631, 19262, 28893, 38524, 57786, 77048, 86679, 115572, 125203, 173358, 231144, 250406, 260037, 346716, 375609, 500812, 520074, 693432, 751218, 780111, 1001624, 1040148, 1126827, 1502436, 1560222, 2080296, 2253654, 3004872, 3120444, 3380481, 4507308, 6240888, 6760962, 9014616, 10141443, 13521924, 20282886, 27043848, 40565772, 81131544]

約数ペア:

[(1, 81131544), (2, 40565772), (3, 27043848), (4, 20282886), (6, 13521924), (8, 10141443), (9, 9014616), (12, 6760962), (13, 6240888), (18, 4507308), (24, 3380481), (26, 3120444), (27, 3004872), (36, 2253654), (39, 2080296), (52, 1560222), (54, 1502436), (72, 1126827), (78, 1040148), (81, 1001624), (104, 780111), (108, 751218), (117, 693432), (156, 520074), (162, 500812), (216, 375609), (234, 346716), (312, 260037), (324, 250406), (351, 231144), (468, 173358), (648, 125203), (702, 115572), (936, 86679), (1053, 77048), (1404, 57786), (2106, 38524), (2808, 28893), (4212, 19262), (8424, 9631)]