81981504

素因数分解:

$2^6\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:278

約数の個数: 224

約数和(自身を含む): 277977600

約数和(自身を除く): 195996096

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 27, 32, 33, 36, 38, 44, 48, 54, 57, 64, 66, 72, 76, 88, 96, 99, 108, 114, 132, 144, 152, 171, 176, 192, 198, 209, 216, 227, 228, 264, 288, 297, 304, 342, 352, 396, 418, 432, 454, 456, 513, 528, 576, 594, 608, 627, 681, 684, 704, 792, 836, 864, 908, 912, 1026, 1056, 1188, 1216, 1254, 1362, 1368, 1584, 1672, 1728, 1816, 1824, 1881, 2043, 2052, 2112, 2376, 2497, 2508, 2724, 2736, 3168, 3344, 3632, 3648, 3762, 4086, 4104, 4313, 4752, 4994, 5016, 5448, 5472, 5643, 6129, 6336, 6688, 7264, 7491, 7524, 8172, 8208, 8626, 9504, 9988, 10032, 10896, 10944, 11286, 12258, 12939, 13376, 14528, 14982, 15048, 16344, 16416, 17252, 19008, 19976, 20064, 21792, 22473, 22572, 24516, 25878, 29964, 30096, 32688, 32832, 34504, 38817, 39952, 40128, 43584, 44946, 45144, 47443, 49032, 51756, 59928, 60192, 65376, 67419, 69008, 77634, 79904, 89892, 90288, 94886, 98064, 103512, 116451, 119856, 120384, 130752, 134838, 138016, 142329, 155268, 159808, 179784, 180576, 189772, 196128, 207024, 232902, 239712, 269676, 276032, 284658, 310536, 359568, 361152, 379544, 392256, 414048, 426987, 465804, 479424, 539352, 569316, 621072, 719136, 759088, 828096, 853974, 931608, 1078704, 1138632, 1242144, 1280961, 1438272, 1518176, 1707948, 1863216, 2157408, 2277264, 2484288, 2561922, 3036352, 3415896, 3726432, 4314816, 4554528, 5123844, 6831792, 7452864, 9109056, 10247688, 13663584, 20495376, 27327168, 40990752, 81981504]

約数ペア:

[(1, 81981504), (2, 40990752), (3, 27327168), (4, 20495376), (6, 13663584), (8, 10247688), (9, 9109056), (11, 7452864), (12, 6831792), (16, 5123844), (18, 4554528), (19, 4314816), (22, 3726432), (24, 3415896), (27, 3036352), (32, 2561922), (33, 2484288), (36, 2277264), (38, 2157408), (44, 1863216), (48, 1707948), (54, 1518176), (57, 1438272), (64, 1280961), (66, 1242144), (72, 1138632), (76, 1078704), (88, 931608), (96, 853974), (99, 828096), (108, 759088), (114, 719136), (132, 621072), (144, 569316), (152, 539352), (171, 479424), (176, 465804), (192, 426987), (198, 414048), (209, 392256), (216, 379544), (227, 361152), (228, 359568), (264, 310536), (288, 284658), (297, 276032), (304, 269676), (342, 239712), (352, 232902), (396, 207024), (418, 196128), (432, 189772), (454, 180576), (456, 179784), (513, 159808), (528, 155268), (576, 142329), (594, 138016), (608, 134838), (627, 130752), (681, 120384), (684, 119856), (704, 116451), (792, 103512), (836, 98064), (864, 94886), (908, 90288), (912, 89892), (1026, 79904), (1056, 77634), (1188, 69008), (1216, 67419), (1254, 65376), (1362, 60192), (1368, 59928), (1584, 51756), (1672, 49032), (1728, 47443), (1816, 45144), (1824, 44946), (1881, 43584), (2043, 40128), (2052, 39952), (2112, 38817), (2376, 34504), (2497, 32832), (2508, 32688), (2724, 30096), (2736, 29964), (3168, 25878), (3344, 24516), (3632, 22572), (3648, 22473), (3762, 21792), (4086, 20064), (4104, 19976), (4313, 19008), (4752, 17252), (4994, 16416), (5016, 16344), (5448, 15048), (5472, 14982), (5643, 14528), (6129, 13376), (6336, 12939), (6688, 12258), (7264, 11286), (7491, 10944), (7524, 10896), (8172, 10032), (8208, 9988), (8626, 9504)]