81377712

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1499}}^1$

素因数の和:1555

約数の個数: 120

約数和(自身を含む): 253890000

約数和(自身を除く): 172512288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 29, 36, 39, 48, 52, 58, 72, 78, 87, 104, 116, 117, 144, 156, 174, 208, 232, 234, 261, 312, 348, 377, 464, 468, 522, 624, 696, 754, 936, 1044, 1131, 1392, 1499, 1508, 1872, 2088, 2262, 2998, 3016, 3393, 4176, 4497, 4524, 5996, 6032, 6786, 8994, 9048, 11992, 13491, 13572, 17988, 18096, 19487, 23984, 26982, 27144, 35976, 38974, 43471, 53964, 54288, 58461, 71952, 77948, 86942, 107928, 116922, 130413, 155896, 173884, 175383, 215856, 233844, 260826, 311792, 347768, 350766, 391239, 467688, 521652, 565123, 695536, 701532, 782478, 935376, 1043304, 1130246, 1403064, 1564956, 1695369, 2086608, 2260492, 2806128, 3129912, 3390738, 4520984, 5086107, 6259824, 6781476, 9041968, 10172214, 13562952, 20344428, 27125904, 40688856, 81377712]

約数ペア:

[(1, 81377712), (2, 40688856), (3, 27125904), (4, 20344428), (6, 13562952), (8, 10172214), (9, 9041968), (12, 6781476), (13, 6259824), (16, 5086107), (18, 4520984), (24, 3390738), (26, 3129912), (29, 2806128), (36, 2260492), (39, 2086608), (48, 1695369), (52, 1564956), (58, 1403064), (72, 1130246), (78, 1043304), (87, 935376), (104, 782478), (116, 701532), (117, 695536), (144, 565123), (156, 521652), (174, 467688), (208, 391239), (232, 350766), (234, 347768), (261, 311792), (312, 260826), (348, 233844), (377, 215856), (464, 175383), (468, 173884), (522, 155896), (624, 130413), (696, 116922), (754, 107928), (936, 86942), (1044, 77948), (1131, 71952), (1392, 58461), (1499, 54288), (1508, 53964), (1872, 43471), (2088, 38974), (2262, 35976), (2998, 27144), (3016, 26982), (3393, 23984), (4176, 19487), (4497, 18096), (4524, 17988), (5996, 13572), (6032, 13491), (6786, 11992), (8994, 9048)]