161221752

素因数分解:

$2^3\times 3^5\times {\mathrm{239}}^1\times {\mathrm{347}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 456019200

約数和(自身を除く): 294797448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 239, 243, 324, 347, 478, 486, 648, 694, 717, 956, 972, 1041, 1388, 1434, 1912, 1944, 2082, 2151, 2776, 2868, 3123, 4164, 4302, 5736, 6246, 6453, 8328, 8604, 9369, 12492, 12906, 17208, 18738, 19359, 24984, 25812, 28107, 37476, 38718, 51624, 56214, 58077, 74952, 77436, 82933, 84321, 112428, 116154, 154872, 165866, 168642, 224856, 232308, 248799, 331732, 337284, 464616, 497598, 663464, 674568, 746397, 995196, 1492794, 1990392, 2239191, 2985588, 4478382, 5971176, 6717573, 8956764, 13435146, 17913528, 20152719, 26870292, 40305438, 53740584, 80610876, 161221752]

約数ペア:

[(1, 161221752), (2, 80610876), (3, 53740584), (4, 40305438), (6, 26870292), (8, 20152719), (9, 17913528), (12, 13435146), (18, 8956764), (24, 6717573), (27, 5971176), (36, 4478382), (54, 2985588), (72, 2239191), (81, 1990392), (108, 1492794), (162, 995196), (216, 746397), (239, 674568), (243, 663464), (324, 497598), (347, 464616), (478, 337284), (486, 331732), (648, 248799), (694, 232308), (717, 224856), (956, 168642), (972, 165866), (1041, 154872), (1388, 116154), (1434, 112428), (1912, 84321), (1944, 82933), (2082, 77436), (2151, 74952), (2776, 58077), (2868, 56214), (3123, 51624), (4164, 38718), (4302, 37476), (5736, 28107), (6246, 25812), (6453, 24984), (8328, 19359), (8604, 18738), (9369, 17208), (12492, 12906)]