1212781360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{18199}}^1$

素因数の和:18243

約数の個数: 120

約数和(自身を含む): 3473215200

約数和(自身を除く): 2260433840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 680, 784, 833, 952, 980, 1190, 1360, 1666, 1904, 1960, 2380, 3332, 3920, 4165, 4760, 6664, 8330, 9520, 13328, 16660, 18199, 33320, 36398, 66640, 72796, 90995, 127393, 145592, 181990, 254786, 291184, 309383, 363980, 509572, 618766, 636965, 727960, 891751, 1019144, 1237532, 1273930, 1455920, 1546915, 1783502, 2038288, 2165681, 2475064, 2547860, 3093830, 3567004, 4331362, 4458755, 4950128, 5095720, 6187660, 7134008, 8662724, 8917510, 10191440, 10828405, 12375320, 14268016, 15159767, 17325448, 17835020, 21656810, 24750640, 30319534, 34650896, 35670040, 43313620, 60639068, 71340080, 75798835, 86627240, 121278136, 151597670, 173254480, 242556272, 303195340, 606390680, 1212781360]

約数ペア:

[(1, 1212781360), (2, 606390680), (4, 303195340), (5, 242556272), (7, 173254480), (8, 151597670), (10, 121278136), (14, 86627240), (16, 75798835), (17, 71340080), (20, 60639068), (28, 43313620), (34, 35670040), (35, 34650896), (40, 30319534), (49, 24750640), (56, 21656810), (68, 17835020), (70, 17325448), (80, 15159767), (85, 14268016), (98, 12375320), (112, 10828405), (119, 10191440), (136, 8917510), (140, 8662724), (170, 7134008), (196, 6187660), (238, 5095720), (245, 4950128), (272, 4458755), (280, 4331362), (340, 3567004), (392, 3093830), (476, 2547860), (490, 2475064), (560, 2165681), (595, 2038288), (680, 1783502), (784, 1546915), (833, 1455920), (952, 1273930), (980, 1237532), (1190, 1019144), (1360, 891751), (1666, 727960), (1904, 636965), (1960, 618766), (2380, 509572), (3332, 363980), (3920, 309383), (4165, 291184), (4760, 254786), (6664, 181990), (8330, 145592), (9520, 127393), (13328, 90995), (16660, 72796), (18199, 66640), (33320, 36398)]