281325456

素因数分解:

$2^4\times 3^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:469

約数の個数: 120

約数和(自身を含む): 811983744

約数和(自身を除く): 530658288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 47, 48, 72, 94, 141, 144, 188, 197, 211, 282, 376, 394, 422, 423, 564, 591, 633, 752, 788, 844, 846, 1128, 1182, 1266, 1576, 1688, 1692, 1773, 1899, 2256, 2364, 2532, 3152, 3376, 3384, 3546, 3798, 4728, 5064, 6768, 7092, 7596, 9259, 9456, 9917, 10128, 14184, 15192, 18518, 19834, 27777, 28368, 29751, 30384, 37036, 39668, 41567, 55554, 59502, 74072, 79336, 83134, 83331, 89253, 111108, 119004, 124701, 148144, 158672, 166268, 166662, 178506, 222216, 238008, 249402, 332536, 333324, 357012, 374103, 444432, 476016, 498804, 665072, 666648, 714024, 748206, 997608, 1333296, 1428048, 1496412, 1953649, 1995216, 2992824, 3907298, 5860947, 5985648, 7814596, 11721894, 15629192, 17582841, 23443788, 31258384, 35165682, 46887576, 70331364, 93775152, 140662728, 281325456]

約数ペア:

[(1, 281325456), (2, 140662728), (3, 93775152), (4, 70331364), (6, 46887576), (8, 35165682), (9, 31258384), (12, 23443788), (16, 17582841), (18, 15629192), (24, 11721894), (36, 7814596), (47, 5985648), (48, 5860947), (72, 3907298), (94, 2992824), (141, 1995216), (144, 1953649), (188, 1496412), (197, 1428048), (211, 1333296), (282, 997608), (376, 748206), (394, 714024), (422, 666648), (423, 665072), (564, 498804), (591, 476016), (633, 444432), (752, 374103), (788, 357012), (844, 333324), (846, 332536), (1128, 249402), (1182, 238008), (1266, 222216), (1576, 178506), (1688, 166662), (1692, 166268), (1773, 158672), (1899, 148144), (2256, 124701), (2364, 119004), (2532, 111108), (3152, 89253), (3376, 83331), (3384, 83134), (3546, 79336), (3798, 74072), (4728, 59502), (5064, 55554), (6768, 41567), (7092, 39668), (7596, 37036), (9259, 30384), (9456, 29751), (9917, 28368), (10128, 27777), (14184, 19834), (15192, 18518)]