81206532

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 242161920

約数和(自身を除く): 160955388

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 43, 44, 57, 66, 76, 86, 99, 114, 129, 132, 171, 172, 198, 209, 228, 251, 258, 342, 387, 396, 418, 473, 502, 516, 627, 684, 753, 774, 817, 836, 946, 1004, 1254, 1419, 1506, 1548, 1634, 1881, 1892, 2259, 2451, 2508, 2761, 2838, 3012, 3268, 3762, 4257, 4518, 4769, 4902, 5522, 5676, 7353, 7524, 8283, 8514, 8987, 9036, 9538, 9804, 10793, 11044, 14307, 14706, 16566, 17028, 17974, 19076, 21586, 24849, 26961, 28614, 29412, 32379, 33132, 35948, 42921, 43172, 49698, 52459, 53922, 57228, 64758, 80883, 85842, 97137, 99396, 104918, 107844, 118723, 129516, 157377, 161766, 171684, 194274, 205067, 209836, 237446, 314754, 323532, 356169, 388548, 410134, 472131, 474892, 615201, 629508, 712338, 820268, 944262, 1068507, 1230402, 1424676, 1845603, 1888524, 2137014, 2255737, 2460804, 3691206, 4274028, 4511474, 6767211, 7382412, 9022948, 13534422, 20301633, 27068844, 40603266, 81206532]

約数ペア:

[(1, 81206532), (2, 40603266), (3, 27068844), (4, 20301633), (6, 13534422), (9, 9022948), (11, 7382412), (12, 6767211), (18, 4511474), (19, 4274028), (22, 3691206), (33, 2460804), (36, 2255737), (38, 2137014), (43, 1888524), (44, 1845603), (57, 1424676), (66, 1230402), (76, 1068507), (86, 944262), (99, 820268), (114, 712338), (129, 629508), (132, 615201), (171, 474892), (172, 472131), (198, 410134), (209, 388548), (228, 356169), (251, 323532), (258, 314754), (342, 237446), (387, 209836), (396, 205067), (418, 194274), (473, 171684), (502, 161766), (516, 157377), (627, 129516), (684, 118723), (753, 107844), (774, 104918), (817, 99396), (836, 97137), (946, 85842), (1004, 80883), (1254, 64758), (1419, 57228), (1506, 53922), (1548, 52459), (1634, 49698), (1881, 43172), (1892, 42921), (2259, 35948), (2451, 33132), (2508, 32379), (2761, 29412), (2838, 28614), (3012, 26961), (3268, 24849), (3762, 21586), (4257, 19076), (4518, 17974), (4769, 17028), (4902, 16566), (5522, 14706), (5676, 14307), (7353, 11044), (7524, 10793), (8283, 9804), (8514, 9538), (8987, 9036)]