218655648

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1355

約数の個数: 144

約数和(自身を含む): 676166400

約数和(自身を除く): 457510752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 38, 48, 57, 62, 72, 76, 93, 96, 114, 124, 144, 152, 171, 186, 228, 248, 279, 288, 304, 342, 372, 456, 496, 558, 589, 608, 684, 744, 912, 992, 1116, 1178, 1289, 1368, 1488, 1767, 1824, 2232, 2356, 2578, 2736, 2976, 3534, 3867, 4464, 4712, 5156, 5301, 5472, 7068, 7734, 8928, 9424, 10312, 10602, 11601, 14136, 15468, 18848, 20624, 21204, 23202, 24491, 28272, 30936, 39959, 41248, 42408, 46404, 48982, 56544, 61872, 73473, 79918, 84816, 92808, 97964, 119877, 123744, 146946, 159836, 169632, 185616, 195928, 220419, 239754, 293892, 319672, 359631, 371232, 391856, 440838, 479508, 587784, 639344, 719262, 759221, 783712, 881676, 959016, 1175568, 1278688, 1438524, 1518442, 1763352, 1918032, 2277663, 2351136, 2877048, 3036884, 3526704, 3836064, 4555326, 5754096, 6073768, 6832989, 7053408, 9110652, 11508192, 12147536, 13665978, 18221304, 24295072, 27331956, 36442608, 54663912, 72885216, 109327824, 218655648]

約数ペア:

[(1, 218655648), (2, 109327824), (3, 72885216), (4, 54663912), (6, 36442608), (8, 27331956), (9, 24295072), (12, 18221304), (16, 13665978), (18, 12147536), (19, 11508192), (24, 9110652), (31, 7053408), (32, 6832989), (36, 6073768), (38, 5754096), (48, 4555326), (57, 3836064), (62, 3526704), (72, 3036884), (76, 2877048), (93, 2351136), (96, 2277663), (114, 1918032), (124, 1763352), (144, 1518442), (152, 1438524), (171, 1278688), (186, 1175568), (228, 959016), (248, 881676), (279, 783712), (288, 759221), (304, 719262), (342, 639344), (372, 587784), (456, 479508), (496, 440838), (558, 391856), (589, 371232), (608, 359631), (684, 319672), (744, 293892), (912, 239754), (992, 220419), (1116, 195928), (1178, 185616), (1289, 169632), (1368, 159836), (1488, 146946), (1767, 123744), (1824, 119877), (2232, 97964), (2356, 92808), (2578, 84816), (2736, 79918), (2976, 73473), (3534, 61872), (3867, 56544), (4464, 48982), (4712, 46404), (5156, 42408), (5301, 41248), (5472, 39959), (7068, 30936), (7734, 28272), (8928, 24491), (9424, 23202), (10312, 21204), (10602, 20624), (11601, 18848), (14136, 15468)]