81855648

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2179

約数の個数: 144

約数和(自身を含む): 280163520

約数和(自身を除く): 198307872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 96, 112, 114, 126, 133, 144, 152, 168, 171, 224, 228, 252, 266, 288, 304, 336, 342, 399, 456, 504, 532, 608, 672, 684, 798, 912, 1008, 1064, 1197, 1368, 1596, 1824, 2016, 2128, 2137, 2394, 2736, 3192, 4256, 4274, 4788, 5472, 6384, 6411, 8548, 9576, 12768, 12822, 14959, 17096, 19152, 19233, 25644, 29918, 34192, 38304, 38466, 40603, 44877, 51288, 59836, 68384, 76932, 81206, 89754, 102576, 119672, 121809, 134631, 153864, 162412, 179508, 205152, 239344, 243618, 269262, 284221, 307728, 324824, 359016, 365427, 478688, 487236, 538524, 568442, 615456, 649648, 718032, 730854, 852663, 974472, 1077048, 1136884, 1299296, 1436064, 1461708, 1705326, 1948944, 2154096, 2273768, 2557989, 2923416, 3410652, 3897888, 4308192, 4547536, 5115978, 5846832, 6821304, 9095072, 10231956, 11693664, 13642608, 20463912, 27285216, 40927824, 81855648]

約数ペア:

[(1, 81855648), (2, 40927824), (3, 27285216), (4, 20463912), (6, 13642608), (7, 11693664), (8, 10231956), (9, 9095072), (12, 6821304), (14, 5846832), (16, 5115978), (18, 4547536), (19, 4308192), (21, 3897888), (24, 3410652), (28, 2923416), (32, 2557989), (36, 2273768), (38, 2154096), (42, 1948944), (48, 1705326), (56, 1461708), (57, 1436064), (63, 1299296), (72, 1136884), (76, 1077048), (84, 974472), (96, 852663), (112, 730854), (114, 718032), (126, 649648), (133, 615456), (144, 568442), (152, 538524), (168, 487236), (171, 478688), (224, 365427), (228, 359016), (252, 324824), (266, 307728), (288, 284221), (304, 269262), (336, 243618), (342, 239344), (399, 205152), (456, 179508), (504, 162412), (532, 153864), (608, 134631), (672, 121809), (684, 119672), (798, 102576), (912, 89754), (1008, 81206), (1064, 76932), (1197, 68384), (1368, 59836), (1596, 51288), (1824, 44877), (2016, 40603), (2128, 38466), (2137, 38304), (2394, 34192), (2736, 29918), (3192, 25644), (4256, 19233), (4274, 19152), (4788, 17096), (5472, 14959), (6384, 12822), (6411, 12768), (8548, 9576)]