281629320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{335273}}^1$

素因数の和:335294

約数の個数: 64

約数和(自身を含む): 965589120

約数和(自身を除く): 683959800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 335273, 670546, 1005819, 1341092, 1676365, 2011638, 2346911, 2682184, 3352730, 4023276, 4693822, 5029095, 6705460, 7040733, 8046552, 9387644, 10058190, 11734555, 13410920, 14081466, 18775288, 20116380, 23469110, 28162932, 35203665, 40232760, 46938220, 56325864, 70407330, 93876440, 140814660, 281629320]

約数ペア:

[(1, 281629320), (2, 140814660), (3, 93876440), (4, 70407330), (5, 56325864), (6, 46938220), (7, 40232760), (8, 35203665), (10, 28162932), (12, 23469110), (14, 20116380), (15, 18775288), (20, 14081466), (21, 13410920), (24, 11734555), (28, 10058190), (30, 9387644), (35, 8046552), (40, 7040733), (42, 6705460), (56, 5029095), (60, 4693822), (70, 4023276), (84, 3352730), (105, 2682184), (120, 2346911), (140, 2011638), (168, 1676365), (210, 1341092), (280, 1005819), (420, 670546), (840, 335273)]