311221680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1531}}^1$

素因数の和:1576

約数の個数: 240

約数和(自身を含む): 1212755712

約数和(自身を除く): 901534032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 121, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 242, 264, 280, 308, 330, 336, 363, 385, 420, 440, 462, 484, 528, 560, 605, 616, 660, 726, 770, 840, 847, 880, 924, 968, 1155, 1210, 1232, 1320, 1452, 1531, 1540, 1680, 1694, 1815, 1848, 1936, 2310, 2420, 2541, 2640, 2904, 3062, 3080, 3388, 3630, 3696, 4235, 4593, 4620, 4840, 5082, 5808, 6124, 6160, 6776, 7260, 7655, 8470, 9186, 9240, 9680, 10164, 10717, 12248, 12705, 13552, 14520, 15310, 16841, 16940, 18372, 18480, 20328, 21434, 22965, 24496, 25410, 29040, 30620, 32151, 33682, 33880, 36744, 40656, 42868, 45930, 50523, 50820, 53585, 61240, 64302, 67364, 67760, 73488, 84205, 85736, 91860, 101046, 101640, 107170, 117887, 122480, 128604, 134728, 160755, 168410, 171472, 183720, 185251, 202092, 203280, 214340, 235774, 252615, 257208, 269456, 321510, 336820, 353661, 367440, 370502, 404184, 428680, 471548, 505230, 514416, 555753, 589435, 643020, 673640, 707322, 741004, 808368, 857360, 926255, 943096, 1010460, 1111506, 1178870, 1286040, 1296757, 1347280, 1414644, 1482008, 1768305, 1852510, 1886192, 2020920, 2223012, 2357740, 2572080, 2593514, 2778765, 2829288, 2964016, 3536610, 3705020, 3890271, 4041840, 4446024, 4715480, 5187028, 5557530, 5658576, 6483785, 7073220, 7410040, 7780542, 8892048, 9430960, 10374056, 11115060, 12967570, 14146440, 14820080, 15561084, 19451355, 20748112, 22230120, 25935140, 28292880, 31122168, 38902710, 44460240, 51870280, 62244336, 77805420, 103740560, 155610840, 311221680]

約数ペア:

[(1, 311221680), (2, 155610840), (3, 103740560), (4, 77805420), (5, 62244336), (6, 51870280), (7, 44460240), (8, 38902710), (10, 31122168), (11, 28292880), (12, 25935140), (14, 22230120), (15, 20748112), (16, 19451355), (20, 15561084), (21, 14820080), (22, 14146440), (24, 12967570), (28, 11115060), (30, 10374056), (33, 9430960), (35, 8892048), (40, 7780542), (42, 7410040), (44, 7073220), (48, 6483785), (55, 5658576), (56, 5557530), (60, 5187028), (66, 4715480), (70, 4446024), (77, 4041840), (80, 3890271), (84, 3705020), (88, 3536610), (105, 2964016), (110, 2829288), (112, 2778765), (120, 2593514), (121, 2572080), (132, 2357740), (140, 2223012), (154, 2020920), (165, 1886192), (168, 1852510), (176, 1768305), (210, 1482008), (220, 1414644), (231, 1347280), (240, 1296757), (242, 1286040), (264, 1178870), (280, 1111506), (308, 1010460), (330, 943096), (336, 926255), (363, 857360), (385, 808368), (420, 741004), (440, 707322), (462, 673640), (484, 643020), (528, 589435), (560, 555753), (605, 514416), (616, 505230), (660, 471548), (726, 428680), (770, 404184), (840, 370502), (847, 367440), (880, 353661), (924, 336820), (968, 321510), (1155, 269456), (1210, 257208), (1232, 252615), (1320, 235774), (1452, 214340), (1531, 203280), (1540, 202092), (1680, 185251), (1694, 183720), (1815, 171472), (1848, 168410), (1936, 160755), (2310, 134728), (2420, 128604), (2541, 122480), (2640, 117887), (2904, 107170), (3062, 101640), (3080, 101046), (3388, 91860), (3630, 85736), (3696, 84205), (4235, 73488), (4593, 67760), (4620, 67364), (4840, 64302), (5082, 61240), (5808, 53585), (6124, 50820), (6160, 50523), (6776, 45930), (7260, 42868), (7655, 40656), (8470, 36744), (9186, 33880), (9240, 33682), (9680, 32151), (10164, 30620), (10717, 29040), (12248, 25410), (12705, 24496), (13552, 22965), (14520, 21434), (15310, 20328), (16841, 18480), (16940, 18372)]