81480924

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:289

約数の個数: 144

約数和(自身を含む): 249933600

約数和(自身を除く): 168452676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 89, 98, 108, 126, 147, 173, 178, 189, 196, 252, 267, 294, 346, 356, 378, 441, 519, 534, 588, 623, 692, 756, 801, 882, 1038, 1068, 1211, 1246, 1323, 1557, 1602, 1764, 1869, 2076, 2403, 2422, 2492, 2646, 3114, 3204, 3633, 3738, 4361, 4671, 4806, 4844, 5292, 5607, 6228, 7266, 7476, 8477, 8722, 9342, 9612, 10899, 11214, 13083, 14532, 15397, 16821, 16954, 17444, 18684, 21798, 22428, 25431, 26166, 30794, 32697, 33642, 33908, 39249, 43596, 46191, 50862, 52332, 61588, 65394, 67284, 76293, 78498, 92382, 101724, 107779, 117747, 130788, 138573, 152586, 156996, 184764, 215558, 228879, 235494, 277146, 305172, 323337, 415719, 431116, 457758, 470988, 554292, 646674, 754453, 831438, 915516, 970011, 1293348, 1508906, 1662876, 1940022, 2263359, 2910033, 3017812, 3880044, 4526718, 5820066, 6790077, 9053436, 11640132, 13580154, 20370231, 27160308, 40740462, 81480924]

約数ペア:

[(1, 81480924), (2, 40740462), (3, 27160308), (4, 20370231), (6, 13580154), (7, 11640132), (9, 9053436), (12, 6790077), (14, 5820066), (18, 4526718), (21, 3880044), (27, 3017812), (28, 2910033), (36, 2263359), (42, 1940022), (49, 1662876), (54, 1508906), (63, 1293348), (84, 970011), (89, 915516), (98, 831438), (108, 754453), (126, 646674), (147, 554292), (173, 470988), (178, 457758), (189, 431116), (196, 415719), (252, 323337), (267, 305172), (294, 277146), (346, 235494), (356, 228879), (378, 215558), (441, 184764), (519, 156996), (534, 152586), (588, 138573), (623, 130788), (692, 117747), (756, 107779), (801, 101724), (882, 92382), (1038, 78498), (1068, 76293), (1211, 67284), (1246, 65394), (1323, 61588), (1557, 52332), (1602, 50862), (1764, 46191), (1869, 43596), (2076, 39249), (2403, 33908), (2422, 33642), (2492, 32697), (2646, 30794), (3114, 26166), (3204, 25431), (3633, 22428), (3738, 21798), (4361, 18684), (4671, 17444), (4806, 16954), (4844, 16821), (5292, 15397), (5607, 14532), (6228, 13083), (7266, 11214), (7476, 10899), (8477, 9612), (8722, 9342)]