21456330480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{29017}}^1$

素因数の和:29128

約数の個数: 240

約数和(自身を含む): 78585386880

約数和(自身を除く): 57129056400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 79, 80, 90, 104, 117, 120, 130, 144, 156, 158, 180, 195, 208, 234, 237, 240, 260, 312, 316, 360, 390, 395, 468, 474, 520, 585, 624, 632, 711, 720, 780, 790, 936, 948, 1027, 1040, 1170, 1185, 1264, 1422, 1560, 1580, 1872, 1896, 2054, 2340, 2370, 2844, 3081, 3120, 3160, 3555, 3792, 4108, 4680, 4740, 5135, 5688, 6162, 6320, 7110, 8216, 9243, 9360, 9480, 10270, 11376, 12324, 14220, 15405, 16432, 18486, 18960, 20540, 24648, 28440, 29017, 30810, 36972, 41080, 46215, 49296, 56880, 58034, 61620, 73944, 82160, 87051, 92430, 116068, 123240, 145085, 147888, 174102, 184860, 232136, 246480, 261153, 290170, 348204, 369720, 377221, 435255, 464272, 522306, 580340, 696408, 739440, 754442, 870510, 1044612, 1131663, 1160680, 1305765, 1392816, 1508884, 1741020, 1886105, 2089224, 2263326, 2292343, 2321360, 2611530, 3017768, 3394989, 3482040, 3772210, 4178448, 4526652, 4584686, 5223060, 5658315, 6035536, 6789978, 6877029, 6964080, 7544420, 9053304, 9169372, 10446120, 11316630, 11461715, 13579956, 13754058, 15088840, 16974945, 18106608, 18338744, 20631087, 20892240, 22633260, 22923430, 27159912, 27508116, 29800459, 30177680, 33949890, 34385145, 36677488, 41262174, 45266520, 45846860, 54319824, 55016232, 59600918, 67899780, 68770290, 82524348, 89401377, 90533040, 91693720, 103155435, 110032464, 119201836, 135799560, 137540580, 149002295, 165048696, 178802754, 183387440, 206310870, 238403672, 268204131, 271599120, 275081160, 298004590, 330097392, 357605508, 412621740, 447006885, 476807344, 536408262, 550162320, 596009180, 715211016, 825243480, 894013770, 1072816524, 1192018360, 1341020655, 1430422032, 1650486960, 1788027540, 2145633048, 2384036720, 2682041310, 3576055080, 4291266096, 5364082620, 7152110160, 10728165240, 21456330480]

約数ペア:

[(1, 21456330480), (2, 10728165240), (3, 7152110160), (4, 5364082620), (5, 4291266096), (6, 3576055080), (8, 2682041310), (9, 2384036720), (10, 2145633048), (12, 1788027540), (13, 1650486960), (15, 1430422032), (16, 1341020655), (18, 1192018360), (20, 1072816524), (24, 894013770), (26, 825243480), (30, 715211016), (36, 596009180), (39, 550162320), (40, 536408262), (45, 476807344), (48, 447006885), (52, 412621740), (60, 357605508), (65, 330097392), (72, 298004590), (78, 275081160), (79, 271599120), (80, 268204131), (90, 238403672), (104, 206310870), (117, 183387440), (120, 178802754), (130, 165048696), (144, 149002295), (156, 137540580), (158, 135799560), (180, 119201836), (195, 110032464), (208, 103155435), (234, 91693720), (237, 90533040), (240, 89401377), (260, 82524348), (312, 68770290), (316, 67899780), (360, 59600918), (390, 55016232), (395, 54319824), (468, 45846860), (474, 45266520), (520, 41262174), (585, 36677488), (624, 34385145), (632, 33949890), (711, 30177680), (720, 29800459), (780, 27508116), (790, 27159912), (936, 22923430), (948, 22633260), (1027, 20892240), (1040, 20631087), (1170, 18338744), (1185, 18106608), (1264, 16974945), (1422, 15088840), (1560, 13754058), (1580, 13579956), (1872, 11461715), (1896, 11316630), (2054, 10446120), (2340, 9169372), (2370, 9053304), (2844, 7544420), (3081, 6964080), (3120, 6877029), (3160, 6789978), (3555, 6035536), (3792, 5658315), (4108, 5223060), (4680, 4584686), (4740, 4526652), (5135, 4178448), (5688, 3772210), (6162, 3482040), (6320, 3394989), (7110, 3017768), (8216, 2611530), (9243, 2321360), (9360, 2292343), (9480, 2263326), (10270, 2089224), (11376, 1886105), (12324, 1741020), (14220, 1508884), (15405, 1392816), (16432, 1305765), (18486, 1160680), (18960, 1131663), (20540, 1044612), (24648, 870510), (28440, 754442), (29017, 739440), (30810, 696408), (36972, 580340), (41080, 522306), (46215, 464272), (49296, 435255), (56880, 377221), (58034, 369720), (61620, 348204), (73944, 290170), (82160, 261153), (87051, 246480), (92430, 232136), (116068, 184860), (123240, 174102), (145085, 147888)]