28308840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:591

約数の個数: 128

約数和(自身を含む): 98703360

約数和(自身を除く): 70394520

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, 67, 70, 84, 105, 120, 134, 140, 168, 201, 210, 268, 280, 335, 402, 420, 469, 503, 536, 670, 804, 840, 938, 1005, 1006, 1340, 1407, 1509, 1608, 1876, 2010, 2012, 2345, 2515, 2680, 2814, 3018, 3521, 3752, 4020, 4024, 4690, 5030, 5628, 6036, 7035, 7042, 7545, 8040, 9380, 10060, 10563, 11256, 12072, 14070, 14084, 15090, 17605, 18760, 20120, 21126, 28140, 28168, 30180, 33701, 35210, 42252, 52815, 56280, 60360, 67402, 70420, 84504, 101103, 105630, 134804, 140840, 168505, 202206, 211260, 235907, 269608, 337010, 404412, 422520, 471814, 505515, 674020, 707721, 808824, 943628, 1011030, 1179535, 1348040, 1415442, 1887256, 2022060, 2359070, 2830884, 3538605, 4044120, 4718140, 5661768, 7077210, 9436280, 14154420, 28308840]

約数ペア:

[(1, 28308840), (2, 14154420), (3, 9436280), (4, 7077210), (5, 5661768), (6, 4718140), (7, 4044120), (8, 3538605), (10, 2830884), (12, 2359070), (14, 2022060), (15, 1887256), (20, 1415442), (21, 1348040), (24, 1179535), (28, 1011030), (30, 943628), (35, 808824), (40, 707721), (42, 674020), (56, 505515), (60, 471814), (67, 422520), (70, 404412), (84, 337010), (105, 269608), (120, 235907), (134, 211260), (140, 202206), (168, 168505), (201, 140840), (210, 134804), (268, 105630), (280, 101103), (335, 84504), (402, 70420), (420, 67402), (469, 60360), (503, 56280), (536, 52815), (670, 42252), (804, 35210), (840, 33701), (938, 30180), (1005, 28168), (1006, 28140), (1340, 21126), (1407, 20120), (1509, 18760), (1608, 17605), (1876, 15090), (2010, 14084), (2012, 14070), (2345, 12072), (2515, 11256), (2680, 10563), (2814, 10060), (3018, 9380), (3521, 8040), (3752, 7545), (4020, 7042), (4024, 7035), (4690, 6036), (5030, 5628)]