281690640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5081}}^1$

素因数の和:5118

約数の個数: 240

約数和(自身を含む): 1179674496

約数和(自身を除く): 897983856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3960, 4620, 5040, 5081, 5544, 6160, 6930, 7920, 9240, 10162, 11088, 13860, 15243, 18480, 20324, 25405, 27720, 30486, 35567, 40648, 45729, 50810, 55440, 55891, 60972, 71134, 76215, 81296, 91458, 101620, 106701, 111782, 121944, 142268, 152430, 167673, 177835, 182916, 203240, 213402, 223564, 228645, 243888, 279455, 284536, 304860, 320103, 335346, 355670, 365832, 391237, 406480, 426804, 447128, 457290, 503019, 533505, 558910, 569072, 609720, 640206, 670692, 711340, 731664, 782474, 838365, 853608, 894256, 914580, 1006038, 1067010, 1117820, 1173711, 1219440, 1280412, 1341384, 1422680, 1564948, 1600515, 1676730, 1707216, 1829160, 1956185, 2012076, 2134020, 2235640, 2347422, 2515095, 2560824, 2682768, 2845360, 3129896, 3201030, 3353460, 3521133, 3658320, 3912370, 4024152, 4268040, 4471280, 4694844, 5030190, 5121648, 5868555, 6259792, 6402060, 6706920, 7042266, 7824740, 8048304, 8536080, 9389688, 10060380, 11737110, 12804120, 13413840, 14084532, 15649480, 17605665, 18779376, 20120760, 23474220, 25608240, 28169064, 31298960, 35211330, 40241520, 46948440, 56338128, 70422660, 93896880, 140845320, 281690640]

約数ペア:

[(1, 281690640), (2, 140845320), (3, 93896880), (4, 70422660), (5, 56338128), (6, 46948440), (7, 40241520), (8, 35211330), (9, 31298960), (10, 28169064), (11, 25608240), (12, 23474220), (14, 20120760), (15, 18779376), (16, 17605665), (18, 15649480), (20, 14084532), (21, 13413840), (22, 12804120), (24, 11737110), (28, 10060380), (30, 9389688), (33, 8536080), (35, 8048304), (36, 7824740), (40, 7042266), (42, 6706920), (44, 6402060), (45, 6259792), (48, 5868555), (55, 5121648), (56, 5030190), (60, 4694844), (63, 4471280), (66, 4268040), (70, 4024152), (72, 3912370), (77, 3658320), (80, 3521133), (84, 3353460), (88, 3201030), (90, 3129896), (99, 2845360), (105, 2682768), (110, 2560824), (112, 2515095), (120, 2347422), (126, 2235640), (132, 2134020), (140, 2012076), (144, 1956185), (154, 1829160), (165, 1707216), (168, 1676730), (176, 1600515), (180, 1564948), (198, 1422680), (210, 1341384), (220, 1280412), (231, 1219440), (240, 1173711), (252, 1117820), (264, 1067010), (280, 1006038), (308, 914580), (315, 894256), (330, 853608), (336, 838365), (360, 782474), (385, 731664), (396, 711340), (420, 670692), (440, 640206), (462, 609720), (495, 569072), (504, 558910), (528, 533505), (560, 503019), (616, 457290), (630, 447128), (660, 426804), (693, 406480), (720, 391237), (770, 365832), (792, 355670), (840, 335346), (880, 320103), (924, 304860), (990, 284536), (1008, 279455), (1155, 243888), (1232, 228645), (1260, 223564), (1320, 213402), (1386, 203240), (1540, 182916), (1584, 177835), (1680, 167673), (1848, 152430), (1980, 142268), (2310, 121944), (2520, 111782), (2640, 106701), (2772, 101620), (3080, 91458), (3465, 81296), (3696, 76215), (3960, 71134), (4620, 60972), (5040, 55891), (5081, 55440), (5544, 50810), (6160, 45729), (6930, 40648), (7920, 35567), (9240, 30486), (10162, 27720), (11088, 25405), (13860, 20324), (15243, 18480)]