1856190720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{503}}^1$

素因数の和:589

約数の個数: 216

約数和(自身を含む): 6137788608

約数和(自身を除く): 4281597888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 503, 620, 640, 744, 768, 930, 960, 961, 992, 1006, 1240, 1280, 1488, 1509, 1860, 1920, 1922, 1984, 2012, 2480, 2515, 2883, 2976, 3018, 3720, 3840, 3844, 3968, 4024, 4805, 4960, 5030, 5766, 5952, 6036, 7440, 7545, 7688, 7936, 8048, 9610, 9920, 10060, 11532, 11904, 12072, 14415, 14880, 15090, 15376, 15593, 16096, 19220, 19840, 20120, 23064, 23808, 24144, 28830, 29760, 30180, 30752, 31186, 32192, 38440, 39680, 40240, 46128, 46779, 48288, 57660, 59520, 60360, 61504, 62372, 64384, 76880, 77965, 80480, 92256, 93558, 96576, 115320, 119040, 120720, 123008, 124744, 128768, 153760, 155930, 160960, 184512, 187116, 193152, 230640, 233895, 241440, 246016, 249488, 307520, 311860, 321920, 369024, 374232, 386304, 461280, 467790, 482880, 483383, 498976, 615040, 623720, 643840, 738048, 748464, 922560, 935580, 965760, 966766, 997952, 1230080, 1247440, 1450149, 1496928, 1845120, 1871160, 1931520, 1933532, 1995904, 2416915, 2494880, 2900298, 2993856, 3690240, 3742320, 3867064, 3991808, 4833830, 4989760, 5800596, 5987712, 7250745, 7484640, 7734128, 9667660, 9979520, 11601192, 11975424, 14501490, 14969280, 15468256, 19335320, 19959040, 23202384, 29002980, 29938560, 30936512, 38670640, 46404768, 58005960, 59877120, 61873024, 77341280, 92809536, 116011920, 123746048, 154682560, 185619072, 232023840, 309365120, 371238144, 464047680, 618730240, 928095360, 1856190720]

約数ペア:

[(1, 1856190720), (2, 928095360), (3, 618730240), (4, 464047680), (5, 371238144), (6, 309365120), (8, 232023840), (10, 185619072), (12, 154682560), (15, 123746048), (16, 116011920), (20, 92809536), (24, 77341280), (30, 61873024), (31, 59877120), (32, 58005960), (40, 46404768), (48, 38670640), (60, 30936512), (62, 29938560), (64, 29002980), (80, 23202384), (93, 19959040), (96, 19335320), (120, 15468256), (124, 14969280), (128, 14501490), (155, 11975424), (160, 11601192), (186, 9979520), (192, 9667660), (240, 7734128), (248, 7484640), (256, 7250745), (310, 5987712), (320, 5800596), (372, 4989760), (384, 4833830), (465, 3991808), (480, 3867064), (496, 3742320), (503, 3690240), (620, 2993856), (640, 2900298), (744, 2494880), (768, 2416915), (930, 1995904), (960, 1933532), (961, 1931520), (992, 1871160), (1006, 1845120), (1240, 1496928), (1280, 1450149), (1488, 1247440), (1509, 1230080), (1860, 997952), (1920, 966766), (1922, 965760), (1984, 935580), (2012, 922560), (2480, 748464), (2515, 738048), (2883, 643840), (2976, 623720), (3018, 615040), (3720, 498976), (3840, 483383), (3844, 482880), (3968, 467790), (4024, 461280), (4805, 386304), (4960, 374232), (5030, 369024), (5766, 321920), (5952, 311860), (6036, 307520), (7440, 249488), (7545, 246016), (7688, 241440), (7936, 233895), (8048, 230640), (9610, 193152), (9920, 187116), (10060, 184512), (11532, 160960), (11904, 155930), (12072, 153760), (14415, 128768), (14880, 124744), (15090, 123008), (15376, 120720), (15593, 119040), (16096, 115320), (19220, 96576), (19840, 93558), (20120, 92256), (23064, 80480), (23808, 77965), (24144, 76880), (28830, 64384), (29760, 62372), (30180, 61504), (30752, 60360), (31186, 59520), (32192, 57660), (38440, 48288), (39680, 46779), (40240, 46128)]