257770680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27191}}^1$

素因数の和:27284

約数の個数: 64

約数和(自身を含む): 783129600

約数和(自身を除く): 525358920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 27191, 54382, 81573, 108764, 135955, 163146, 217528, 271910, 326292, 407865, 543820, 652584, 815730, 1087640, 1631460, 2148089, 3262920, 4296178, 6444267, 8592356, 10740445, 12888534, 17184712, 21480890, 25777068, 32221335, 42961780, 51554136, 64442670, 85923560, 128885340, 257770680]

約数ペア:

[(1, 257770680), (2, 128885340), (3, 85923560), (4, 64442670), (5, 51554136), (6, 42961780), (8, 32221335), (10, 25777068), (12, 21480890), (15, 17184712), (20, 12888534), (24, 10740445), (30, 8592356), (40, 6444267), (60, 4296178), (79, 3262920), (120, 2148089), (158, 1631460), (237, 1087640), (316, 815730), (395, 652584), (474, 543820), (632, 407865), (790, 326292), (948, 271910), (1185, 217528), (1580, 163146), (1896, 135955), (2370, 108764), (3160, 81573), (4740, 54382), (9480, 27191)]