81489312

素因数分解:

$2^5\times 3^2\times {\mathrm{97}}^1\times {\mathrm{2917}}^1$

素因数の和:3030

約数の個数: 72

約数和(自身を含む): 234204516

約数和(自身を除く): 152715204

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 97, 144, 194, 288, 291, 388, 582, 776, 873, 1164, 1552, 1746, 2328, 2917, 3104, 3492, 4656, 5834, 6984, 8751, 9312, 11668, 13968, 17502, 23336, 26253, 27936, 35004, 46672, 52506, 70008, 93344, 105012, 140016, 210024, 280032, 282949, 420048, 565898, 840096, 848847, 1131796, 1697694, 2263592, 2546541, 3395388, 4527184, 5093082, 6790776, 9054368, 10186164, 13581552, 20372328, 27163104, 40744656, 81489312]

約数ペア:

[(1, 81489312), (2, 40744656), (3, 27163104), (4, 20372328), (6, 13581552), (8, 10186164), (9, 9054368), (12, 6790776), (16, 5093082), (18, 4527184), (24, 3395388), (32, 2546541), (36, 2263592), (48, 1697694), (72, 1131796), (96, 848847), (97, 840096), (144, 565898), (194, 420048), (288, 282949), (291, 280032), (388, 210024), (582, 140016), (776, 105012), (873, 93344), (1164, 70008), (1552, 52506), (1746, 46672), (2328, 35004), (2917, 27936), (3104, 26253), (3492, 23336), (4656, 17502), (5834, 13968), (6984, 11668), (8751, 9312)]