20748939120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{316681}}^1$

素因数の和:316720

約数の個数: 240

約数和(自身を含む): 85762552512

約数和(自身を除く): 65013613392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 4095, 4368, 4680, 5040, 5460, 6552, 7280, 8190, 9360, 10920, 13104, 16380, 21840, 32760, 65520, 316681, 633362, 950043, 1266724, 1583405, 1900086, 2216767, 2533448, 2850129, 3166810, 3800172, 4116853, 4433534, 4750215, 5066896, 5700258, 6333620, 6650301, 7600344, 8233706, 8867068, 9500430, 11083835, 11400516, 12350559, 12667240, 13300602, 14250645, 15200688, 16467412, 17734136, 19000860, 19950903, 20584265, 22167670, 22801032, 24701118, 25334480, 26601204, 28501290, 28817971, 32934824, 33251505, 35468272, 37051677, 38001720, 39901806, 41168530, 44335340, 45602064, 49402236, 53202408, 57002580, 57635942, 61752795, 65869648, 66503010, 74103354, 76003440, 79803612, 82337060, 86453913, 88670680, 98804472, 99754515, 106404816, 114005160, 115271884, 123505590, 133006020, 144089855, 148206708, 159607224, 164674120, 172907826, 177341360, 185258385, 197608944, 199509030, 228010320, 230543768, 247011180, 259361739, 266012040, 288179710, 296413416, 319214448, 329348240, 345815652, 370516770, 399018060, 432269565, 461087536, 494022360, 518723478, 532024080, 576359420, 592826832, 691631304, 741033540, 798036120, 864539130, 988044720, 1037446956, 1152718840, 1296808695, 1383262608, 1482067080, 1596072240, 1729078260, 2074893912, 2305437680, 2593617390, 2964134160, 3458156520, 4149787824, 5187234780, 6916313040, 10374469560, 20748939120]

約数ペア:

[(1, 20748939120), (2, 10374469560), (3, 6916313040), (4, 5187234780), (5, 4149787824), (6, 3458156520), (7, 2964134160), (8, 2593617390), (9, 2305437680), (10, 2074893912), (12, 1729078260), (13, 1596072240), (14, 1482067080), (15, 1383262608), (16, 1296808695), (18, 1152718840), (20, 1037446956), (21, 988044720), (24, 864539130), (26, 798036120), (28, 741033540), (30, 691631304), (35, 592826832), (36, 576359420), (39, 532024080), (40, 518723478), (42, 494022360), (45, 461087536), (48, 432269565), (52, 399018060), (56, 370516770), (60, 345815652), (63, 329348240), (65, 319214448), (70, 296413416), (72, 288179710), (78, 266012040), (80, 259361739), (84, 247011180), (90, 230543768), (91, 228010320), (104, 199509030), (105, 197608944), (112, 185258385), (117, 177341360), (120, 172907826), (126, 164674120), (130, 159607224), (140, 148206708), (144, 144089855), (156, 133006020), (168, 123505590), (180, 115271884), (182, 114005160), (195, 106404816), (208, 99754515), (210, 98804472), (234, 88670680), (240, 86453913), (252, 82337060), (260, 79803612), (273, 76003440), (280, 74103354), (312, 66503010), (315, 65869648), (336, 61752795), (360, 57635942), (364, 57002580), (390, 53202408), (420, 49402236), (455, 45602064), (468, 44335340), (504, 41168530), (520, 39901806), (546, 38001720), (560, 37051677), (585, 35468272), (624, 33251505), (630, 32934824), (720, 28817971), (728, 28501290), (780, 26601204), (819, 25334480), (840, 24701118), (910, 22801032), (936, 22167670), (1008, 20584265), (1040, 19950903), (1092, 19000860), (1170, 17734136), (1260, 16467412), (1365, 15200688), (1456, 14250645), (1560, 13300602), (1638, 12667240), (1680, 12350559), (1820, 11400516), (1872, 11083835), (2184, 9500430), (2340, 8867068), (2520, 8233706), (2730, 7600344), (3120, 6650301), (3276, 6333620), (3640, 5700258), (4095, 5066896), (4368, 4750215), (4680, 4433534), (5040, 4116853), (5460, 3800172), (6552, 3166810), (7280, 2850129), (8190, 2533448), (9360, 2216767), (10920, 1900086), (13104, 1583405), (16380, 1266724), (21840, 950043), (32760, 633362), (65520, 316681)]