1979441760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1157

約数の個数: 192

約数和(自身を含む): 6490036224

約数和(自身を除く): 4510594464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 137, 155, 160, 186, 240, 248, 274, 310, 372, 411, 465, 480, 496, 548, 620, 685, 744, 822, 930, 971, 992, 1096, 1240, 1370, 1488, 1644, 1860, 1942, 2055, 2192, 2480, 2740, 2913, 2976, 3288, 3720, 3884, 4110, 4247, 4384, 4855, 4960, 5480, 5826, 6576, 7440, 7768, 8220, 8494, 9710, 10960, 11652, 12741, 13152, 14565, 14880, 15536, 16440, 16988, 19420, 21235, 21920, 23304, 25482, 29130, 30101, 31072, 32880, 33976, 38840, 42470, 46608, 50964, 58260, 60202, 63705, 65760, 67952, 77680, 84940, 90303, 93216, 101928, 116520, 120404, 127410, 133027, 135904, 150505, 155360, 169880, 180606, 203856, 233040, 240808, 254820, 266054, 301010, 339760, 361212, 399081, 407712, 451515, 466080, 481616, 509640, 532108, 602020, 665135, 679520, 722424, 798162, 903030, 963232, 1019280, 1064216, 1204040, 1330270, 1444848, 1596324, 1806060, 1995405, 2038560, 2128432, 2408080, 2660540, 2889696, 3192648, 3612120, 3990810, 4123837, 4256864, 4816160, 5321080, 6385296, 7224240, 7981620, 8247674, 10642160, 12371511, 12770592, 14448480, 15963240, 16495348, 20619185, 21284320, 24743022, 31926480, 32990696, 41238370, 49486044, 61857555, 63852960, 65981392, 82476740, 98972088, 123715110, 131962784, 164953480, 197944176, 247430220, 329906960, 395888352, 494860440, 659813920, 989720880, 1979441760]

約数ペア:

[(1, 1979441760), (2, 989720880), (3, 659813920), (4, 494860440), (5, 395888352), (6, 329906960), (8, 247430220), (10, 197944176), (12, 164953480), (15, 131962784), (16, 123715110), (20, 98972088), (24, 82476740), (30, 65981392), (31, 63852960), (32, 61857555), (40, 49486044), (48, 41238370), (60, 32990696), (62, 31926480), (80, 24743022), (93, 21284320), (96, 20619185), (120, 16495348), (124, 15963240), (137, 14448480), (155, 12770592), (160, 12371511), (186, 10642160), (240, 8247674), (248, 7981620), (274, 7224240), (310, 6385296), (372, 5321080), (411, 4816160), (465, 4256864), (480, 4123837), (496, 3990810), (548, 3612120), (620, 3192648), (685, 2889696), (744, 2660540), (822, 2408080), (930, 2128432), (971, 2038560), (992, 1995405), (1096, 1806060), (1240, 1596324), (1370, 1444848), (1488, 1330270), (1644, 1204040), (1860, 1064216), (1942, 1019280), (2055, 963232), (2192, 903030), (2480, 798162), (2740, 722424), (2913, 679520), (2976, 665135), (3288, 602020), (3720, 532108), (3884, 509640), (4110, 481616), (4247, 466080), (4384, 451515), (4855, 407712), (4960, 399081), (5480, 361212), (5826, 339760), (6576, 301010), (7440, 266054), (7768, 254820), (8220, 240808), (8494, 233040), (9710, 203856), (10960, 180606), (11652, 169880), (12741, 155360), (13152, 150505), (14565, 135904), (14880, 133027), (15536, 127410), (16440, 120404), (16988, 116520), (19420, 101928), (21235, 93216), (21920, 90303), (23304, 84940), (25482, 77680), (29130, 67952), (30101, 65760), (31072, 63705), (32880, 60202), (33976, 58260), (38840, 50964), (42470, 46608)]