261913968

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1103}}^1$

素因数の和:1231

約数の個数: 120

約数和(自身を含む): 784824768

約数和(自身を除く): 522910800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 97, 102, 136, 144, 153, 194, 204, 272, 291, 306, 388, 408, 582, 612, 776, 816, 873, 1103, 1164, 1224, 1552, 1649, 1746, 2206, 2328, 2448, 3298, 3309, 3492, 4412, 4656, 4947, 6596, 6618, 6984, 8824, 9894, 9927, 13192, 13236, 13968, 14841, 17648, 18751, 19788, 19854, 26384, 26472, 29682, 37502, 39576, 39708, 52944, 56253, 59364, 75004, 79152, 79416, 106991, 112506, 118728, 150008, 158832, 168759, 213982, 225012, 237456, 300016, 320973, 337518, 427964, 450024, 641946, 675036, 855928, 900048, 962919, 1283892, 1350072, 1711856, 1818847, 1925838, 2567784, 2700144, 3637694, 3851676, 5135568, 5456541, 7275388, 7703352, 10913082, 14550776, 15406704, 16369623, 21826164, 29101552, 32739246, 43652328, 65478492, 87304656, 130956984, 261913968]

約数ペア:

[(1, 261913968), (2, 130956984), (3, 87304656), (4, 65478492), (6, 43652328), (8, 32739246), (9, 29101552), (12, 21826164), (16, 16369623), (17, 15406704), (18, 14550776), (24, 10913082), (34, 7703352), (36, 7275388), (48, 5456541), (51, 5135568), (68, 3851676), (72, 3637694), (97, 2700144), (102, 2567784), (136, 1925838), (144, 1818847), (153, 1711856), (194, 1350072), (204, 1283892), (272, 962919), (291, 900048), (306, 855928), (388, 675036), (408, 641946), (582, 450024), (612, 427964), (776, 337518), (816, 320973), (873, 300016), (1103, 237456), (1164, 225012), (1224, 213982), (1552, 168759), (1649, 158832), (1746, 150008), (2206, 118728), (2328, 112506), (2448, 106991), (3298, 79416), (3309, 79152), (3492, 75004), (4412, 59364), (4656, 56253), (4947, 52944), (6596, 39708), (6618, 39576), (6984, 37502), (8824, 29682), (9894, 26472), (9927, 26384), (13192, 19854), (13236, 19788), (13968, 18751), (14841, 17648)]