79795920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{661}}^1$

素因数の和:1180

約数の個数: 80

約数和(自身を含む): 248234112

約数和(自身を除く): 168438192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 503, 661, 1006, 1322, 1509, 1983, 2012, 2515, 2644, 3018, 3305, 3966, 4024, 5030, 5288, 6036, 6610, 7545, 7932, 8048, 9915, 10060, 10576, 12072, 13220, 15090, 15864, 19830, 20120, 24144, 26440, 30180, 31728, 39660, 40240, 52880, 60360, 79320, 120720, 158640, 332483, 664966, 997449, 1329932, 1662415, 1994898, 2659864, 3324830, 3989796, 4987245, 5319728, 6649660, 7979592, 9974490, 13299320, 15959184, 19948980, 26598640, 39897960, 79795920]

約数ペア:

[(1, 79795920), (2, 39897960), (3, 26598640), (4, 19948980), (5, 15959184), (6, 13299320), (8, 9974490), (10, 7979592), (12, 6649660), (15, 5319728), (16, 4987245), (20, 3989796), (24, 3324830), (30, 2659864), (40, 1994898), (48, 1662415), (60, 1329932), (80, 997449), (120, 664966), (240, 332483), (503, 158640), (661, 120720), (1006, 79320), (1322, 60360), (1509, 52880), (1983, 40240), (2012, 39660), (2515, 31728), (2644, 30180), (3018, 26440), (3305, 24144), (3966, 20120), (4024, 19830), (5030, 15864), (5288, 15090), (6036, 13220), (6610, 12072), (7545, 10576), (7932, 10060), (8048, 9915)]