218478960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:740

約数の個数: 240

約数和(自身を含む): 852374016

約数和(自身を除く): 633895056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 67, 70, 72, 80, 84, 90, 105, 112, 120, 126, 134, 140, 144, 168, 180, 201, 210, 240, 252, 268, 280, 315, 335, 336, 360, 402, 420, 469, 504, 536, 560, 603, 630, 647, 670, 720, 804, 840, 938, 1005, 1008, 1072, 1206, 1260, 1294, 1340, 1407, 1608, 1680, 1876, 1941, 2010, 2345, 2412, 2520, 2588, 2680, 2814, 3015, 3216, 3235, 3752, 3882, 4020, 4221, 4529, 4690, 4824, 5040, 5176, 5360, 5628, 5823, 6030, 6470, 7035, 7504, 7764, 8040, 8442, 9058, 9380, 9648, 9705, 10352, 11256, 11646, 12060, 12940, 13587, 14070, 15528, 16080, 16884, 18116, 18760, 19410, 21105, 22512, 22645, 23292, 24120, 25880, 27174, 28140, 29115, 31056, 33768, 36232, 37520, 38820, 40761, 42210, 43349, 45290, 46584, 48240, 51760, 54348, 56280, 58230, 67536, 67935, 72464, 77640, 81522, 84420, 86698, 90580, 93168, 108696, 112560, 116460, 130047, 135870, 155280, 163044, 168840, 173396, 181160, 203805, 216745, 217392, 232920, 260094, 271740, 303443, 326088, 337680, 346792, 362320, 390141, 407610, 433490, 465840, 520188, 543480, 606886, 650235, 652176, 693584, 780282, 815220, 866980, 910329, 1040376, 1086960, 1213772, 1300470, 1517215, 1560564, 1630440, 1733960, 1820658, 1950705, 2080752, 2427544, 2600940, 2730987, 3034430, 3121128, 3260880, 3467920, 3641316, 3901410, 4551645, 4855088, 5201880, 5461974, 6068860, 6242256, 7282632, 7802820, 9103290, 10403760, 10923948, 12137720, 13654935, 14565264, 15605640, 18206580, 21847896, 24275440, 27309870, 31211280, 36413160, 43695792, 54619740, 72826320, 109239480, 218478960]

約数ペア:

[(1, 218478960), (2, 109239480), (3, 72826320), (4, 54619740), (5, 43695792), (6, 36413160), (7, 31211280), (8, 27309870), (9, 24275440), (10, 21847896), (12, 18206580), (14, 15605640), (15, 14565264), (16, 13654935), (18, 12137720), (20, 10923948), (21, 10403760), (24, 9103290), (28, 7802820), (30, 7282632), (35, 6242256), (36, 6068860), (40, 5461974), (42, 5201880), (45, 4855088), (48, 4551645), (56, 3901410), (60, 3641316), (63, 3467920), (67, 3260880), (70, 3121128), (72, 3034430), (80, 2730987), (84, 2600940), (90, 2427544), (105, 2080752), (112, 1950705), (120, 1820658), (126, 1733960), (134, 1630440), (140, 1560564), (144, 1517215), (168, 1300470), (180, 1213772), (201, 1086960), (210, 1040376), (240, 910329), (252, 866980), (268, 815220), (280, 780282), (315, 693584), (335, 652176), (336, 650235), (360, 606886), (402, 543480), (420, 520188), (469, 465840), (504, 433490), (536, 407610), (560, 390141), (603, 362320), (630, 346792), (647, 337680), (670, 326088), (720, 303443), (804, 271740), (840, 260094), (938, 232920), (1005, 217392), (1008, 216745), (1072, 203805), (1206, 181160), (1260, 173396), (1294, 168840), (1340, 163044), (1407, 155280), (1608, 135870), (1680, 130047), (1876, 116460), (1941, 112560), (2010, 108696), (2345, 93168), (2412, 90580), (2520, 86698), (2588, 84420), (2680, 81522), (2814, 77640), (3015, 72464), (3216, 67935), (3235, 67536), (3752, 58230), (3882, 56280), (4020, 54348), (4221, 51760), (4529, 48240), (4690, 46584), (4824, 45290), (5040, 43349), (5176, 42210), (5360, 40761), (5628, 38820), (5823, 37520), (6030, 36232), (6470, 33768), (7035, 31056), (7504, 29115), (7764, 28140), (8040, 27174), (8442, 25880), (9058, 24120), (9380, 23292), (9648, 22645), (9705, 22512), (10352, 21105), (11256, 19410), (11646, 18760), (12060, 18116), (12940, 16884), (13587, 16080), (14070, 15528)]