161349840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{74699}}^1$

素因数の和:74721

約数の個数: 80

約数和(自身を含む): 555768000

約数和(自身を除く): 394418160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 74699, 149398, 224097, 298796, 373495, 448194, 597592, 672291, 746990, 896388, 1120485, 1195184, 1344582, 1493980, 1792776, 2016873, 2240970, 2689164, 2987960, 3361455, 3585552, 4033746, 4481940, 5378328, 5975920, 6722910, 8067492, 8963880, 10084365, 10756656, 13445820, 16134984, 17927760, 20168730, 26891640, 32269968, 40337460, 53783280, 80674920, 161349840]

約数ペア:

[(1, 161349840), (2, 80674920), (3, 53783280), (4, 40337460), (5, 32269968), (6, 26891640), (8, 20168730), (9, 17927760), (10, 16134984), (12, 13445820), (15, 10756656), (16, 10084365), (18, 8963880), (20, 8067492), (24, 6722910), (27, 5975920), (30, 5378328), (36, 4481940), (40, 4033746), (45, 3585552), (48, 3361455), (54, 2987960), (60, 2689164), (72, 2240970), (80, 2016873), (90, 1792776), (108, 1493980), (120, 1344582), (135, 1195184), (144, 1120485), (180, 896388), (216, 746990), (240, 672291), (270, 597592), (360, 448194), (432, 373495), (540, 298796), (720, 224097), (1080, 149398), (2160, 74699)]