78118560

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 288

約数和(自身を含む): 298831680

約数和(自身を除く): 220713120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 107, 108, 117, 120, 130, 135, 144, 156, 160, 169, 180, 195, 208, 214, 216, 234, 240, 260, 270, 288, 312, 321, 338, 351, 360, 390, 416, 428, 432, 468, 480, 507, 520, 535, 540, 585, 624, 642, 676, 702, 720, 780, 845, 856, 864, 936, 963, 1014, 1040, 1070, 1080, 1170, 1248, 1284, 1352, 1391, 1404, 1440, 1521, 1560, 1605, 1690, 1712, 1755, 1872, 1926, 2028, 2080, 2140, 2160, 2340, 2535, 2568, 2704, 2782, 2808, 2889, 3042, 3120, 3210, 3380, 3424, 3510, 3744, 3852, 4056, 4173, 4280, 4320, 4563, 4680, 4815, 5070, 5136, 5408, 5564, 5616, 5778, 6084, 6240, 6420, 6760, 6955, 7020, 7605, 7704, 8112, 8346, 8560, 9126, 9360, 9630, 10140, 10272, 11128, 11232, 11556, 12168, 12519, 12840, 13520, 13910, 14040, 14445, 15210, 15408, 16224, 16692, 17120, 18083, 18252, 18720, 19260, 20280, 20865, 22256, 22815, 23112, 24336, 25038, 25680, 27040, 27820, 28080, 28890, 30420, 30816, 33384, 36166, 36504, 37557, 38520, 40560, 41730, 44512, 45630, 46224, 48672, 50076, 51360, 54249, 55640, 56160, 57780, 60840, 62595, 66768, 72332, 73008, 75114, 77040, 81120, 83460, 90415, 91260, 92448, 100152, 108498, 111280, 115560, 121680, 125190, 133536, 144664, 146016, 150228, 154080, 162747, 166920, 180830, 182520, 187785, 200304, 216996, 222560, 231120, 243360, 250380, 271245, 289328, 300456, 325494, 333840, 361660, 365040, 375570, 400608, 433992, 462240, 488241, 500760, 542490, 578656, 600912, 650988, 667680, 723320, 730080, 751140, 813735, 867984, 976482, 1001520, 1084980, 1201824, 1301976, 1446640, 1502280, 1627470, 1735968, 1952964, 2003040, 2169960, 2441205, 2603952, 2893280, 3004560, 3254940, 3905928, 4339920, 4882410, 5207904, 6009120, 6509880, 7811856, 8679840, 9764820, 13019760, 15623712, 19529640, 26039520, 39059280, 78118560]

約数ペア:

[(1, 78118560), (2, 39059280), (3, 26039520), (4, 19529640), (5, 15623712), (6, 13019760), (8, 9764820), (9, 8679840), (10, 7811856), (12, 6509880), (13, 6009120), (15, 5207904), (16, 4882410), (18, 4339920), (20, 3905928), (24, 3254940), (26, 3004560), (27, 2893280), (30, 2603952), (32, 2441205), (36, 2169960), (39, 2003040), (40, 1952964), (45, 1735968), (48, 1627470), (52, 1502280), (54, 1446640), (60, 1301976), (65, 1201824), (72, 1084980), (78, 1001520), (80, 976482), (90, 867984), (96, 813735), (104, 751140), (107, 730080), (108, 723320), (117, 667680), (120, 650988), (130, 600912), (135, 578656), (144, 542490), (156, 500760), (160, 488241), (169, 462240), (180, 433992), (195, 400608), (208, 375570), (214, 365040), (216, 361660), (234, 333840), (240, 325494), (260, 300456), (270, 289328), (288, 271245), (312, 250380), (321, 243360), (338, 231120), (351, 222560), (360, 216996), (390, 200304), (416, 187785), (428, 182520), (432, 180830), (468, 166920), (480, 162747), (507, 154080), (520, 150228), (535, 146016), (540, 144664), (585, 133536), (624, 125190), (642, 121680), (676, 115560), (702, 111280), (720, 108498), (780, 100152), (845, 92448), (856, 91260), (864, 90415), (936, 83460), (963, 81120), (1014, 77040), (1040, 75114), (1070, 73008), (1080, 72332), (1170, 66768), (1248, 62595), (1284, 60840), (1352, 57780), (1391, 56160), (1404, 55640), (1440, 54249), (1521, 51360), (1560, 50076), (1605, 48672), (1690, 46224), (1712, 45630), (1755, 44512), (1872, 41730), (1926, 40560), (2028, 38520), (2080, 37557), (2140, 36504), (2160, 36166), (2340, 33384), (2535, 30816), (2568, 30420), (2704, 28890), (2782, 28080), (2808, 27820), (2889, 27040), (3042, 25680), (3120, 25038), (3210, 24336), (3380, 23112), (3424, 22815), (3510, 22256), (3744, 20865), (3852, 20280), (4056, 19260), (4173, 18720), (4280, 18252), (4320, 18083), (4563, 17120), (4680, 16692), (4815, 16224), (5070, 15408), (5136, 15210), (5408, 14445), (5564, 14040), (5616, 13910), (5778, 13520), (6084, 12840), (6240, 12519), (6420, 12168), (6760, 11556), (6955, 11232), (7020, 11128), (7605, 10272), (7704, 10140), (8112, 9630), (8346, 9360), (8560, 9126)]