161891856

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 240

約数和(自身を含む): 557107200

約数和(自身を除く): 395215344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 79, 84, 107, 112, 114, 126, 133, 144, 152, 158, 168, 171, 214, 228, 237, 252, 266, 304, 316, 321, 336, 342, 399, 428, 456, 474, 504, 532, 553, 632, 642, 684, 711, 749, 798, 856, 912, 948, 963, 1008, 1064, 1106, 1197, 1264, 1284, 1368, 1422, 1498, 1501, 1596, 1659, 1712, 1896, 1926, 2033, 2128, 2212, 2247, 2394, 2568, 2736, 2844, 2996, 3002, 3192, 3318, 3792, 3852, 4066, 4424, 4494, 4503, 4788, 4977, 5136, 5688, 5992, 6004, 6099, 6384, 6636, 6741, 7704, 8132, 8453, 8848, 8988, 9006, 9576, 9954, 10507, 11376, 11984, 12008, 12198, 13272, 13482, 13509, 14231, 15408, 16264, 16906, 17976, 18012, 18297, 19152, 19908, 21014, 24016, 24396, 25359, 26544, 26964, 27018, 28462, 31521, 32528, 33812, 35952, 36024, 36594, 39816, 42028, 42693, 48792, 50718, 53928, 54036, 56924, 59171, 63042, 67624, 72048, 73188, 76077, 79632, 84056, 85386, 94563, 97584, 101436, 107856, 108072, 113848, 118342, 126084, 128079, 135248, 146376, 152154, 160607, 168112, 170772, 177513, 189126, 202872, 216144, 227696, 236684, 252168, 256158, 292752, 304308, 321214, 341544, 355026, 378252, 405744, 473368, 481821, 504336, 512316, 532539, 608616, 642428, 683088, 710052, 756504, 946736, 963642, 1024632, 1065078, 1124249, 1217232, 1284856, 1420104, 1445463, 1513008, 1927284, 2049264, 2130156, 2248498, 2569712, 2840208, 2890926, 3372747, 3854568, 4260312, 4496996, 5781852, 6745494, 7709136, 8520624, 8993992, 10118241, 11563704, 13490988, 17987984, 20236482, 23127408, 26981976, 40472964, 53963952, 80945928, 161891856]

約数ペア:

[(1, 161891856), (2, 80945928), (3, 53963952), (4, 40472964), (6, 26981976), (7, 23127408), (8, 20236482), (9, 17987984), (12, 13490988), (14, 11563704), (16, 10118241), (18, 8993992), (19, 8520624), (21, 7709136), (24, 6745494), (28, 5781852), (36, 4496996), (38, 4260312), (42, 3854568), (48, 3372747), (56, 2890926), (57, 2840208), (63, 2569712), (72, 2248498), (76, 2130156), (79, 2049264), (84, 1927284), (107, 1513008), (112, 1445463), (114, 1420104), (126, 1284856), (133, 1217232), (144, 1124249), (152, 1065078), (158, 1024632), (168, 963642), (171, 946736), (214, 756504), (228, 710052), (237, 683088), (252, 642428), (266, 608616), (304, 532539), (316, 512316), (321, 504336), (336, 481821), (342, 473368), (399, 405744), (428, 378252), (456, 355026), (474, 341544), (504, 321214), (532, 304308), (553, 292752), (632, 256158), (642, 252168), (684, 236684), (711, 227696), (749, 216144), (798, 202872), (856, 189126), (912, 177513), (948, 170772), (963, 168112), (1008, 160607), (1064, 152154), (1106, 146376), (1197, 135248), (1264, 128079), (1284, 126084), (1368, 118342), (1422, 113848), (1498, 108072), (1501, 107856), (1596, 101436), (1659, 97584), (1712, 94563), (1896, 85386), (1926, 84056), (2033, 79632), (2128, 76077), (2212, 73188), (2247, 72048), (2394, 67624), (2568, 63042), (2736, 59171), (2844, 56924), (2996, 54036), (3002, 53928), (3192, 50718), (3318, 48792), (3792, 42693), (3852, 42028), (4066, 39816), (4424, 36594), (4494, 36024), (4503, 35952), (4788, 33812), (4977, 32528), (5136, 31521), (5688, 28462), (5992, 27018), (6004, 26964), (6099, 26544), (6384, 25359), (6636, 24396), (6741, 24016), (7704, 21014), (8132, 19908), (8453, 19152), (8848, 18297), (8988, 18012), (9006, 17976), (9576, 16906), (9954, 16264), (10507, 15408), (11376, 14231), (11984, 13509), (12008, 13482), (12198, 13272)]