261422280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{457}}^1$

素因数の和:708

約数の個数: 192

約数和(自身を含む): 977408640

約数和(自身を除く): 715986360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 227, 252, 280, 315, 360, 420, 454, 457, 504, 630, 681, 840, 908, 914, 1135, 1260, 1362, 1371, 1589, 1816, 1828, 2043, 2270, 2285, 2520, 2724, 2742, 3178, 3199, 3405, 3656, 4086, 4113, 4540, 4570, 4767, 5448, 5484, 6356, 6398, 6810, 6855, 7945, 8172, 8226, 9080, 9140, 9534, 9597, 10215, 10968, 12712, 12796, 13620, 13710, 14301, 15890, 15995, 16344, 16452, 18280, 19068, 19194, 20430, 20565, 23835, 25592, 27240, 27420, 28602, 28791, 31780, 31990, 32904, 38136, 38388, 40860, 41130, 47670, 47985, 54840, 57204, 57582, 63560, 63980, 71505, 76776, 81720, 82260, 95340, 95970, 103739, 114408, 115164, 127960, 143010, 143955, 164520, 190680, 191940, 207478, 230328, 286020, 287910, 311217, 383880, 414956, 518695, 572040, 575820, 622434, 726173, 829912, 933651, 1037390, 1151640, 1244868, 1452346, 1556085, 1867302, 2074780, 2178519, 2489736, 2904692, 3112170, 3630865, 3734604, 4149560, 4357038, 4668255, 5809384, 6224340, 6535557, 7261730, 7469208, 8714076, 9336510, 10892595, 12448680, 13071114, 14523460, 17428152, 18673020, 21785190, 26142228, 29046920, 32677785, 37346040, 43570380, 52284456, 65355570, 87140760, 130711140, 261422280]

約数ペア:

[(1, 261422280), (2, 130711140), (3, 87140760), (4, 65355570), (5, 52284456), (6, 43570380), (7, 37346040), (8, 32677785), (9, 29046920), (10, 26142228), (12, 21785190), (14, 18673020), (15, 17428152), (18, 14523460), (20, 13071114), (21, 12448680), (24, 10892595), (28, 9336510), (30, 8714076), (35, 7469208), (36, 7261730), (40, 6535557), (42, 6224340), (45, 5809384), (56, 4668255), (60, 4357038), (63, 4149560), (70, 3734604), (72, 3630865), (84, 3112170), (90, 2904692), (105, 2489736), (120, 2178519), (126, 2074780), (140, 1867302), (168, 1556085), (180, 1452346), (210, 1244868), (227, 1151640), (252, 1037390), (280, 933651), (315, 829912), (360, 726173), (420, 622434), (454, 575820), (457, 572040), (504, 518695), (630, 414956), (681, 383880), (840, 311217), (908, 287910), (914, 286020), (1135, 230328), (1260, 207478), (1362, 191940), (1371, 190680), (1589, 164520), (1816, 143955), (1828, 143010), (2043, 127960), (2270, 115164), (2285, 114408), (2520, 103739), (2724, 95970), (2742, 95340), (3178, 82260), (3199, 81720), (3405, 76776), (3656, 71505), (4086, 63980), (4113, 63560), (4540, 57582), (4570, 57204), (4767, 54840), (5448, 47985), (5484, 47670), (6356, 41130), (6398, 40860), (6810, 38388), (6855, 38136), (7945, 32904), (8172, 31990), (8226, 31780), (9080, 28791), (9140, 28602), (9534, 27420), (9597, 27240), (10215, 25592), (10968, 23835), (12712, 20565), (12796, 20430), (13620, 19194), (13710, 19068), (14301, 18280), (15890, 16452), (15995, 16344)]