161350784

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 128

約数和(自身を含む): 391941120

約数和(自身を除く): 230590336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 37, 56, 62, 64, 74, 112, 124, 128, 148, 157, 217, 224, 248, 259, 296, 314, 434, 448, 496, 518, 592, 628, 868, 896, 992, 1036, 1099, 1147, 1184, 1256, 1736, 1984, 2072, 2198, 2294, 2368, 2512, 3472, 3968, 4144, 4396, 4588, 4736, 4867, 5024, 5809, 6944, 8029, 8288, 8792, 9176, 9734, 10048, 11618, 13888, 16058, 16576, 17584, 18352, 19468, 20096, 23236, 27776, 32116, 33152, 34069, 35168, 36704, 38936, 40663, 46472, 64232, 68138, 70336, 73408, 77872, 81326, 92944, 128464, 136276, 140672, 146816, 155744, 162652, 180079, 185888, 256928, 272552, 311488, 325304, 360158, 371776, 513856, 545104, 622976, 650608, 720316, 743552, 1027712, 1090208, 1260553, 1301216, 1440632, 2180416, 2521106, 2602432, 2881264, 4360832, 5042212, 5204864, 5762528, 10084424, 11525056, 20168848, 23050112, 40337696, 80675392, 161350784]

約数ペア:

[(1, 161350784), (2, 80675392), (4, 40337696), (7, 23050112), (8, 20168848), (14, 11525056), (16, 10084424), (28, 5762528), (31, 5204864), (32, 5042212), (37, 4360832), (56, 2881264), (62, 2602432), (64, 2521106), (74, 2180416), (112, 1440632), (124, 1301216), (128, 1260553), (148, 1090208), (157, 1027712), (217, 743552), (224, 720316), (248, 650608), (259, 622976), (296, 545104), (314, 513856), (434, 371776), (448, 360158), (496, 325304), (518, 311488), (592, 272552), (628, 256928), (868, 185888), (896, 180079), (992, 162652), (1036, 155744), (1099, 146816), (1147, 140672), (1184, 136276), (1256, 128464), (1736, 92944), (1984, 81326), (2072, 77872), (2198, 73408), (2294, 70336), (2368, 68138), (2512, 64232), (3472, 46472), (3968, 40663), (4144, 38936), (4396, 36704), (4588, 35168), (4736, 34069), (4867, 33152), (5024, 32116), (5809, 27776), (6944, 23236), (8029, 20096), (8288, 19468), (8792, 18352), (9176, 17584), (9734, 16576), (10048, 16058), (11618, 13888)]