218709960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:316

約数の個数: 256

約数和(自身を含む): 798474240

約数和(自身を除く): 579764280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 37, 40, 42, 56, 60, 62, 70, 74, 84, 93, 105, 111, 120, 124, 140, 148, 155, 168, 185, 186, 210, 217, 222, 227, 248, 259, 280, 296, 310, 370, 372, 420, 434, 444, 454, 465, 518, 555, 620, 651, 681, 740, 744, 777, 840, 868, 888, 908, 930, 1036, 1085, 1110, 1135, 1147, 1240, 1295, 1302, 1362, 1480, 1554, 1589, 1736, 1816, 1860, 2072, 2170, 2220, 2270, 2294, 2590, 2604, 2724, 3108, 3178, 3255, 3405, 3441, 3720, 3885, 4340, 4440, 4540, 4588, 4767, 5180, 5208, 5448, 5735, 6216, 6356, 6510, 6810, 6882, 7037, 7770, 7945, 8029, 8399, 8680, 9080, 9176, 9534, 10360, 11470, 12712, 13020, 13620, 13764, 14074, 15540, 15890, 16058, 16798, 17205, 19068, 21111, 22940, 23835, 24087, 25197, 26040, 27240, 27528, 28148, 31080, 31780, 32116, 33596, 34410, 35185, 38136, 40145, 41995, 42222, 45880, 47670, 48174, 49259, 50394, 56296, 58793, 63560, 64232, 67192, 68820, 70370, 80290, 83990, 84444, 95340, 96348, 98518, 100788, 105555, 117586, 120435, 125985, 137640, 140740, 147777, 160580, 167980, 168888, 176379, 190680, 192696, 197036, 201576, 211110, 235172, 240870, 246295, 251970, 260369, 281480, 293965, 295554, 321160, 335960, 352758, 394072, 422220, 470344, 481740, 492590, 503940, 520738, 587930, 591108, 705516, 738885, 781107, 844440, 881895, 963480, 985180, 1007880, 1041476, 1175860, 1182216, 1301845, 1411032, 1477770, 1562214, 1763790, 1822583, 1970360, 2082952, 2351720, 2603690, 2955540, 3124428, 3527580, 3645166, 3905535, 5207380, 5467749, 5911080, 6248856, 7055160, 7290332, 7811070, 9112915, 10414760, 10935498, 14580664, 15622140, 18225830, 21870996, 27338745, 31244280, 36451660, 43741992, 54677490, 72903320, 109354980, 218709960]

約数ペア:

[(1, 218709960), (2, 109354980), (3, 72903320), (4, 54677490), (5, 43741992), (6, 36451660), (7, 31244280), (8, 27338745), (10, 21870996), (12, 18225830), (14, 15622140), (15, 14580664), (20, 10935498), (21, 10414760), (24, 9112915), (28, 7811070), (30, 7290332), (31, 7055160), (35, 6248856), (37, 5911080), (40, 5467749), (42, 5207380), (56, 3905535), (60, 3645166), (62, 3527580), (70, 3124428), (74, 2955540), (84, 2603690), (93, 2351720), (105, 2082952), (111, 1970360), (120, 1822583), (124, 1763790), (140, 1562214), (148, 1477770), (155, 1411032), (168, 1301845), (185, 1182216), (186, 1175860), (210, 1041476), (217, 1007880), (222, 985180), (227, 963480), (248, 881895), (259, 844440), (280, 781107), (296, 738885), (310, 705516), (370, 591108), (372, 587930), (420, 520738), (434, 503940), (444, 492590), (454, 481740), (465, 470344), (518, 422220), (555, 394072), (620, 352758), (651, 335960), (681, 321160), (740, 295554), (744, 293965), (777, 281480), (840, 260369), (868, 251970), (888, 246295), (908, 240870), (930, 235172), (1036, 211110), (1085, 201576), (1110, 197036), (1135, 192696), (1147, 190680), (1240, 176379), (1295, 168888), (1302, 167980), (1362, 160580), (1480, 147777), (1554, 140740), (1589, 137640), (1736, 125985), (1816, 120435), (1860, 117586), (2072, 105555), (2170, 100788), (2220, 98518), (2270, 96348), (2294, 95340), (2590, 84444), (2604, 83990), (2724, 80290), (3108, 70370), (3178, 68820), (3255, 67192), (3405, 64232), (3441, 63560), (3720, 58793), (3885, 56296), (4340, 50394), (4440, 49259), (4540, 48174), (4588, 47670), (4767, 45880), (5180, 42222), (5208, 41995), (5448, 40145), (5735, 38136), (6216, 35185), (6356, 34410), (6510, 33596), (6810, 32116), (6882, 31780), (7037, 31080), (7770, 28148), (7945, 27528), (8029, 27240), (8399, 26040), (8680, 25197), (9080, 24087), (9176, 23835), (9534, 22940), (10360, 21111), (11470, 19068), (12712, 17205), (13020, 16798), (13620, 16058), (13764, 15890), (14074, 15540)]