2720729340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:689

約数の個数: 288

約数和(自身を含む): 9909559296

約数和(自身を除く): 7188829956

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 223, 230, 252, 276, 315, 322, 345, 414, 420, 421, 446, 460, 483, 630, 644, 669, 690, 805, 828, 842, 892, 966, 1035, 1115, 1260, 1263, 1338, 1380, 1449, 1561, 1610, 1684, 1932, 2007, 2070, 2105, 2230, 2415, 2526, 2676, 2898, 2947, 3122, 3220, 3345, 3789, 4014, 4140, 4210, 4460, 4683, 4830, 5052, 5129, 5796, 5894, 6244, 6315, 6690, 7245, 7578, 7805, 8028, 8420, 8841, 9366, 9660, 9683, 10035, 10258, 11788, 12630, 13380, 14049, 14490, 14735, 15156, 15387, 15610, 17682, 18732, 18945, 19366, 20070, 20516, 23415, 25260, 25645, 26523, 28098, 28980, 29049, 29470, 30774, 31220, 35364, 35903, 37890, 38732, 40140, 44205, 46161, 46830, 48415, 51290, 53046, 56196, 58098, 58940, 61548, 67781, 70245, 71806, 75780, 76935, 87147, 88410, 92322, 93660, 93883, 96830, 102580, 106092, 107709, 116196, 132615, 135562, 140490, 143612, 145245, 153870, 174294, 176820, 179515, 184644, 187766, 193660, 203343, 215418, 230805, 265230, 271124, 280980, 281649, 290490, 307740, 323127, 338905, 348588, 359030, 375532, 406686, 430836, 435735, 461610, 469415, 530460, 538545, 563298, 580980, 610029, 646254, 657181, 677810, 718060, 813372, 844947, 871470, 923220, 938830, 1016715, 1077090, 1126596, 1220058, 1292508, 1314362, 1355620, 1408245, 1615635, 1689894, 1742940, 1877660, 1971543, 2033430, 2154180, 2159309, 2440116, 2628724, 2816490, 3050145, 3231270, 3285905, 3379788, 3943086, 4066860, 4224735, 4318618, 5632980, 5914629, 6100290, 6462540, 6477927, 6571810, 7886172, 8449470, 8637236, 9857715, 10796545, 11829258, 12200580, 12955854, 13143620, 15115163, 16898940, 19433781, 19715430, 21593090, 23658516, 25911708, 29573145, 30230326, 32389635, 38867562, 39430860, 43186180, 45345489, 59146290, 60460652, 64779270, 75575815, 77735124, 90690978, 97168905, 118292580, 129558540, 136036467, 151151630, 181381956, 194337810, 226727445, 272072934, 302303260, 388675620, 453454890, 544145868, 680182335, 906909780, 1360364670, 2720729340]

約数ペア:

[(1, 2720729340), (2, 1360364670), (3, 906909780), (4, 680182335), (5, 544145868), (6, 453454890), (7, 388675620), (9, 302303260), (10, 272072934), (12, 226727445), (14, 194337810), (15, 181381956), (18, 151151630), (20, 136036467), (21, 129558540), (23, 118292580), (28, 97168905), (30, 90690978), (35, 77735124), (36, 75575815), (42, 64779270), (45, 60460652), (46, 59146290), (60, 45345489), (63, 43186180), (69, 39430860), (70, 38867562), (84, 32389635), (90, 30230326), (92, 29573145), (105, 25911708), (115, 23658516), (126, 21593090), (138, 19715430), (140, 19433781), (161, 16898940), (180, 15115163), (207, 13143620), (210, 12955854), (223, 12200580), (230, 11829258), (252, 10796545), (276, 9857715), (315, 8637236), (322, 8449470), (345, 7886172), (414, 6571810), (420, 6477927), (421, 6462540), (446, 6100290), (460, 5914629), (483, 5632980), (630, 4318618), (644, 4224735), (669, 4066860), (690, 3943086), (805, 3379788), (828, 3285905), (842, 3231270), (892, 3050145), (966, 2816490), (1035, 2628724), (1115, 2440116), (1260, 2159309), (1263, 2154180), (1338, 2033430), (1380, 1971543), (1449, 1877660), (1561, 1742940), (1610, 1689894), (1684, 1615635), (1932, 1408245), (2007, 1355620), (2070, 1314362), (2105, 1292508), (2230, 1220058), (2415, 1126596), (2526, 1077090), (2676, 1016715), (2898, 938830), (2947, 923220), (3122, 871470), (3220, 844947), (3345, 813372), (3789, 718060), (4014, 677810), (4140, 657181), (4210, 646254), (4460, 610029), (4683, 580980), (4830, 563298), (5052, 538545), (5129, 530460), (5796, 469415), (5894, 461610), (6244, 435735), (6315, 430836), (6690, 406686), (7245, 375532), (7578, 359030), (7805, 348588), (8028, 338905), (8420, 323127), (8841, 307740), (9366, 290490), (9660, 281649), (9683, 280980), (10035, 271124), (10258, 265230), (11788, 230805), (12630, 215418), (13380, 203343), (14049, 193660), (14490, 187766), (14735, 184644), (15156, 179515), (15387, 176820), (15610, 174294), (17682, 153870), (18732, 145245), (18945, 143612), (19366, 140490), (20070, 135562), (20516, 132615), (23415, 116196), (25260, 107709), (25645, 106092), (26523, 102580), (28098, 96830), (28980, 93883), (29049, 93660), (29470, 92322), (30774, 88410), (31220, 87147), (35364, 76935), (35903, 75780), (37890, 71806), (38732, 70245), (40140, 67781), (44205, 61548), (46161, 58940), (46830, 58098), (48415, 56196), (51290, 53046)]