161981568

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:459

約数の個数: 192

約数和(自身を含む): 544190400

約数和(自身を除く): 382208832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 53, 56, 63, 64, 72, 84, 96, 106, 112, 126, 128, 144, 159, 168, 192, 212, 224, 252, 288, 318, 336, 371, 379, 384, 424, 448, 477, 504, 576, 636, 672, 742, 758, 848, 896, 954, 1008, 1113, 1137, 1152, 1272, 1344, 1484, 1516, 1696, 1908, 2016, 2226, 2274, 2544, 2653, 2688, 2968, 3032, 3339, 3392, 3411, 3816, 4032, 4452, 4548, 5088, 5306, 5936, 6064, 6678, 6784, 6822, 7632, 7959, 8064, 8904, 9096, 10176, 10612, 11872, 12128, 13356, 13644, 15264, 15918, 17808, 18192, 20087, 20352, 21224, 23744, 23877, 24256, 26712, 27288, 30528, 31836, 35616, 36384, 40174, 42448, 47488, 47754, 48512, 53424, 54576, 60261, 61056, 63672, 71232, 72768, 80348, 84896, 95508, 106848, 109152, 120522, 127344, 140609, 142464, 145536, 160696, 169792, 180783, 191016, 213696, 218304, 241044, 254688, 281218, 321392, 339584, 361566, 382032, 421827, 427392, 436608, 482088, 509376, 562436, 642784, 723132, 764064, 843654, 964176, 1018752, 1124872, 1265481, 1285568, 1446264, 1528128, 1687308, 1928352, 2249744, 2530962, 2571136, 2892528, 3056256, 3374616, 3856704, 4499488, 5061924, 5785056, 6749232, 7713408, 8998976, 10123848, 11570112, 13498464, 17997952, 20247696, 23140224, 26996928, 40495392, 53993856, 80990784, 161981568]

約数ペア:

[(1, 161981568), (2, 80990784), (3, 53993856), (4, 40495392), (6, 26996928), (7, 23140224), (8, 20247696), (9, 17997952), (12, 13498464), (14, 11570112), (16, 10123848), (18, 8998976), (21, 7713408), (24, 6749232), (28, 5785056), (32, 5061924), (36, 4499488), (42, 3856704), (48, 3374616), (53, 3056256), (56, 2892528), (63, 2571136), (64, 2530962), (72, 2249744), (84, 1928352), (96, 1687308), (106, 1528128), (112, 1446264), (126, 1285568), (128, 1265481), (144, 1124872), (159, 1018752), (168, 964176), (192, 843654), (212, 764064), (224, 723132), (252, 642784), (288, 562436), (318, 509376), (336, 482088), (371, 436608), (379, 427392), (384, 421827), (424, 382032), (448, 361566), (477, 339584), (504, 321392), (576, 281218), (636, 254688), (672, 241044), (742, 218304), (758, 213696), (848, 191016), (896, 180783), (954, 169792), (1008, 160696), (1113, 145536), (1137, 142464), (1152, 140609), (1272, 127344), (1344, 120522), (1484, 109152), (1516, 106848), (1696, 95508), (1908, 84896), (2016, 80348), (2226, 72768), (2274, 71232), (2544, 63672), (2653, 61056), (2688, 60261), (2968, 54576), (3032, 53424), (3339, 48512), (3392, 47754), (3411, 47488), (3816, 42448), (4032, 40174), (4452, 36384), (4548, 35616), (5088, 31836), (5306, 30528), (5936, 27288), (6064, 26712), (6678, 24256), (6784, 23877), (6822, 23744), (7632, 21224), (7959, 20352), (8064, 20087), (8904, 18192), (9096, 17808), (10176, 15918), (10612, 15264), (11872, 13644), (12128, 13356)]