77341280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{503}}^1$

素因数の和:580

約数の個数: 72

約数和(自身を含む): 189178416

約数和(自身を除く): 111837136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 503, 620, 961, 992, 1006, 1240, 1922, 2012, 2480, 2515, 3844, 4024, 4805, 4960, 5030, 7688, 8048, 9610, 10060, 15376, 15593, 16096, 19220, 20120, 30752, 31186, 38440, 40240, 62372, 76880, 77965, 80480, 124744, 153760, 155930, 249488, 311860, 483383, 498976, 623720, 966766, 1247440, 1933532, 2416915, 2494880, 3867064, 4833830, 7734128, 9667660, 15468256, 19335320, 38670640, 77341280]

約数ペア:

[(1, 77341280), (2, 38670640), (4, 19335320), (5, 15468256), (8, 9667660), (10, 7734128), (16, 4833830), (20, 3867064), (31, 2494880), (32, 2416915), (40, 1933532), (62, 1247440), (80, 966766), (124, 623720), (155, 498976), (160, 483383), (248, 311860), (310, 249488), (496, 155930), (503, 153760), (620, 124744), (961, 80480), (992, 77965), (1006, 76880), (1240, 62372), (1922, 40240), (2012, 38440), (2480, 31186), (2515, 30752), (3844, 20120), (4024, 19220), (4805, 16096), (4960, 15593), (5030, 15376), (7688, 10060), (8048, 9610)]