161261280

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:591

約数の個数: 240

約数和(自身を含む): 594959904

約数和(自身を除く): 433698624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 162, 180, 184, 207, 216, 230, 240, 270, 276, 288, 324, 345, 360, 368, 405, 414, 432, 460, 480, 540, 541, 552, 621, 648, 690, 720, 736, 810, 828, 864, 920, 1035, 1080, 1082, 1104, 1242, 1296, 1380, 1440, 1620, 1623, 1656, 1840, 1863, 2070, 2160, 2164, 2208, 2484, 2592, 2705, 2760, 3105, 3240, 3246, 3312, 3680, 3726, 4140, 4320, 4328, 4869, 4968, 5410, 5520, 6210, 6480, 6492, 6624, 7452, 8115, 8280, 8656, 9315, 9738, 9936, 10820, 11040, 12420, 12443, 12960, 12984, 14607, 14904, 16230, 16560, 17312, 18630, 19476, 19872, 21640, 24345, 24840, 24886, 25968, 29214, 29808, 32460, 33120, 37260, 37329, 38952, 43280, 43821, 48690, 49680, 49772, 51936, 58428, 59616, 62215, 64920, 73035, 74520, 74658, 77904, 86560, 87642, 97380, 99360, 99544, 111987, 116856, 124430, 129840, 146070, 149040, 149316, 155808, 175284, 186645, 194760, 199088, 219105, 223974, 233712, 248860, 259680, 292140, 298080, 298632, 335961, 350568, 373290, 389520, 398176, 438210, 447948, 467424, 497720, 559935, 584280, 597264, 671922, 701136, 746580, 779040, 876420, 895896, 995440, 1007883, 1119870, 1168560, 1194528, 1343844, 1402272, 1493160, 1679805, 1752840, 1791792, 1990880, 2015766, 2239740, 2337120, 2687688, 2986320, 3359610, 3505680, 3583584, 4031532, 4479480, 5039415, 5375376, 5972640, 6719220, 7011360, 8063064, 8958960, 10078830, 10750752, 13438440, 16126128, 17917920, 20157660, 26876880, 32252256, 40315320, 53753760, 80630640, 161261280]

約数ペア:

[(1, 161261280), (2, 80630640), (3, 53753760), (4, 40315320), (5, 32252256), (6, 26876880), (8, 20157660), (9, 17917920), (10, 16126128), (12, 13438440), (15, 10750752), (16, 10078830), (18, 8958960), (20, 8063064), (23, 7011360), (24, 6719220), (27, 5972640), (30, 5375376), (32, 5039415), (36, 4479480), (40, 4031532), (45, 3583584), (46, 3505680), (48, 3359610), (54, 2986320), (60, 2687688), (69, 2337120), (72, 2239740), (80, 2015766), (81, 1990880), (90, 1791792), (92, 1752840), (96, 1679805), (108, 1493160), (115, 1402272), (120, 1343844), (135, 1194528), (138, 1168560), (144, 1119870), (160, 1007883), (162, 995440), (180, 895896), (184, 876420), (207, 779040), (216, 746580), (230, 701136), (240, 671922), (270, 597264), (276, 584280), (288, 559935), (324, 497720), (345, 467424), (360, 447948), (368, 438210), (405, 398176), (414, 389520), (432, 373290), (460, 350568), (480, 335961), (540, 298632), (541, 298080), (552, 292140), (621, 259680), (648, 248860), (690, 233712), (720, 223974), (736, 219105), (810, 199088), (828, 194760), (864, 186645), (920, 175284), (1035, 155808), (1080, 149316), (1082, 149040), (1104, 146070), (1242, 129840), (1296, 124430), (1380, 116856), (1440, 111987), (1620, 99544), (1623, 99360), (1656, 97380), (1840, 87642), (1863, 86560), (2070, 77904), (2160, 74658), (2164, 74520), (2208, 73035), (2484, 64920), (2592, 62215), (2705, 59616), (2760, 58428), (3105, 51936), (3240, 49772), (3246, 49680), (3312, 48690), (3680, 43821), (3726, 43280), (4140, 38952), (4320, 37329), (4328, 37260), (4869, 33120), (4968, 32460), (5410, 29808), (5520, 29214), (6210, 25968), (6480, 24886), (6492, 24840), (6624, 24345), (7452, 21640), (8115, 19872), (8280, 19476), (8656, 18630), (9315, 17312), (9738, 16560), (9936, 16230), (10820, 14904), (11040, 14607), (12420, 12984), (12443, 12960)]