8168720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 22498560

約数和(自身を除く): 14329840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 503, 560, 580, 812, 1006, 1015, 1160, 1624, 2012, 2030, 2320, 2515, 3248, 3521, 4024, 4060, 5030, 7042, 8048, 8120, 10060, 14084, 14587, 16240, 17605, 20120, 28168, 29174, 35210, 40240, 56336, 58348, 70420, 72935, 102109, 116696, 140840, 145870, 204218, 233392, 281680, 291740, 408436, 510545, 583480, 816872, 1021090, 1166960, 1633744, 2042180, 4084360, 8168720]

約数ペア:

[(1, 8168720), (2, 4084360), (4, 2042180), (5, 1633744), (7, 1166960), (8, 1021090), (10, 816872), (14, 583480), (16, 510545), (20, 408436), (28, 291740), (29, 281680), (35, 233392), (40, 204218), (56, 145870), (58, 140840), (70, 116696), (80, 102109), (112, 72935), (116, 70420), (140, 58348), (145, 56336), (203, 40240), (232, 35210), (280, 29174), (290, 28168), (406, 20120), (464, 17605), (503, 16240), (560, 14587), (580, 14084), (812, 10060), (1006, 8120), (1015, 8048), (1160, 7042), (1624, 5030), (2012, 4060), (2030, 4024), (2320, 3521), (2515, 3248)]