256321488

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{3121}}^1$

素因数の和:3220

約数の個数: 80

約数和(自身を含む): 696830400

約数和(自身を除く): 440508912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 59, 87, 116, 118, 174, 177, 232, 236, 348, 354, 464, 472, 696, 708, 944, 1392, 1416, 1711, 2832, 3121, 3422, 5133, 6242, 6844, 9363, 10266, 12484, 13688, 18726, 20532, 24968, 27376, 37452, 41064, 49936, 74904, 82128, 90509, 149808, 181018, 184139, 271527, 362036, 368278, 543054, 552417, 724072, 736556, 1086108, 1104834, 1448144, 1473112, 2172216, 2209668, 2946224, 4344432, 4419336, 5340031, 8838672, 10680062, 16020093, 21360124, 32040186, 42720248, 64080372, 85440496, 128160744, 256321488]

約数ペア:

[(1, 256321488), (2, 128160744), (3, 85440496), (4, 64080372), (6, 42720248), (8, 32040186), (12, 21360124), (16, 16020093), (24, 10680062), (29, 8838672), (48, 5340031), (58, 4419336), (59, 4344432), (87, 2946224), (116, 2209668), (118, 2172216), (174, 1473112), (177, 1448144), (232, 1104834), (236, 1086108), (348, 736556), (354, 724072), (464, 552417), (472, 543054), (696, 368278), (708, 362036), (944, 271527), (1392, 184139), (1416, 181018), (1711, 149808), (2832, 90509), (3121, 82128), (3422, 74904), (5133, 49936), (6242, 41064), (6844, 37452), (9363, 27376), (10266, 24968), (12484, 20532), (13688, 18726)]