642735648

素因数分解:

$2^5\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 240

約数和(自身を含む): 2058819840

約数和(自身を除く): 1416084192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 31, 32, 36, 38, 48, 54, 57, 62, 72, 76, 81, 93, 96, 108, 114, 124, 144, 152, 162, 171, 186, 216, 228, 248, 279, 288, 304, 324, 342, 372, 421, 432, 456, 496, 513, 558, 589, 608, 648, 684, 744, 837, 842, 864, 912, 992, 1026, 1116, 1178, 1263, 1296, 1368, 1488, 1539, 1674, 1684, 1767, 1824, 2052, 2232, 2356, 2511, 2526, 2592, 2736, 2976, 3078, 3348, 3368, 3534, 3789, 4104, 4464, 4712, 5022, 5052, 5301, 5472, 6156, 6696, 6736, 7068, 7578, 7999, 8208, 8928, 9424, 10044, 10104, 10602, 11367, 12312, 13051, 13392, 13472, 14136, 15156, 15903, 15998, 16416, 18848, 20088, 20208, 21204, 22734, 23997, 24624, 26102, 26784, 28272, 30312, 31806, 31996, 34101, 39153, 40176, 40416, 42408, 45468, 47709, 47994, 49248, 52204, 56544, 60624, 63612, 63992, 68202, 71991, 78306, 80352, 84816, 90936, 95418, 95988, 104408, 117459, 121248, 127224, 127984, 136404, 143982, 156612, 169632, 181872, 190836, 191976, 208816, 215973, 234918, 247969, 254448, 255968, 272808, 287964, 313224, 352377, 363744, 381672, 383952, 417632, 431946, 469836, 495938, 508896, 545616, 575928, 626448, 647919, 704754, 743907, 763344, 767904, 863892, 939672, 991876, 1057131, 1091232, 1151856, 1252896, 1295838, 1409508, 1487814, 1526688, 1727784, 1879344, 1983752, 2114262, 2231721, 2303712, 2591676, 2819016, 2975628, 3455568, 3758688, 3967504, 4228524, 4463442, 5183352, 5638032, 5951256, 6695163, 6911136, 7935008, 8457048, 8926884, 10366704, 11276064, 11902512, 13390326, 16914096, 17853768, 20085489, 20733408, 23805024, 26780652, 33828192, 35707536, 40170978, 53561304, 71415072, 80341956, 107122608, 160683912, 214245216, 321367824, 642735648]

約数ペア:

[(1, 642735648), (2, 321367824), (3, 214245216), (4, 160683912), (6, 107122608), (8, 80341956), (9, 71415072), (12, 53561304), (16, 40170978), (18, 35707536), (19, 33828192), (24, 26780652), (27, 23805024), (31, 20733408), (32, 20085489), (36, 17853768), (38, 16914096), (48, 13390326), (54, 11902512), (57, 11276064), (62, 10366704), (72, 8926884), (76, 8457048), (81, 7935008), (93, 6911136), (96, 6695163), (108, 5951256), (114, 5638032), (124, 5183352), (144, 4463442), (152, 4228524), (162, 3967504), (171, 3758688), (186, 3455568), (216, 2975628), (228, 2819016), (248, 2591676), (279, 2303712), (288, 2231721), (304, 2114262), (324, 1983752), (342, 1879344), (372, 1727784), (421, 1526688), (432, 1487814), (456, 1409508), (496, 1295838), (513, 1252896), (558, 1151856), (589, 1091232), (608, 1057131), (648, 991876), (684, 939672), (744, 863892), (837, 767904), (842, 763344), (864, 743907), (912, 704754), (992, 647919), (1026, 626448), (1116, 575928), (1178, 545616), (1263, 508896), (1296, 495938), (1368, 469836), (1488, 431946), (1539, 417632), (1674, 383952), (1684, 381672), (1767, 363744), (1824, 352377), (2052, 313224), (2232, 287964), (2356, 272808), (2511, 255968), (2526, 254448), (2592, 247969), (2736, 234918), (2976, 215973), (3078, 208816), (3348, 191976), (3368, 190836), (3534, 181872), (3789, 169632), (4104, 156612), (4464, 143982), (4712, 136404), (5022, 127984), (5052, 127224), (5301, 121248), (5472, 117459), (6156, 104408), (6696, 95988), (6736, 95418), (7068, 90936), (7578, 84816), (7999, 80352), (8208, 78306), (8928, 71991), (9424, 68202), (10044, 63992), (10104, 63612), (10602, 60624), (11367, 56544), (12312, 52204), (13051, 49248), (13392, 47994), (13472, 47709), (14136, 45468), (15156, 42408), (15903, 40416), (15998, 40176), (16416, 39153), (18848, 34101), (20088, 31996), (20208, 31806), (21204, 30312), (22734, 28272), (23997, 26784), (24624, 26102)]