77868720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 180

約数和(自身を含む): 272170080

約数和(自身を除く): 194301360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 79, 80, 90, 111, 120, 144, 148, 158, 180, 185, 222, 237, 240, 296, 316, 333, 360, 370, 395, 444, 474, 555, 592, 632, 666, 711, 720, 740, 790, 888, 948, 1110, 1185, 1264, 1332, 1369, 1422, 1480, 1580, 1665, 1776, 1896, 2220, 2370, 2664, 2738, 2844, 2923, 2960, 3160, 3330, 3555, 3792, 4107, 4440, 4740, 5328, 5476, 5688, 5846, 6320, 6660, 6845, 7110, 8214, 8769, 8880, 9480, 10952, 11376, 11692, 12321, 13320, 13690, 14220, 14615, 16428, 17538, 18960, 20535, 21904, 23384, 24642, 26307, 26640, 27380, 28440, 29230, 32856, 35076, 41070, 43845, 46768, 49284, 52614, 54760, 56880, 58460, 61605, 65712, 70152, 82140, 87690, 98568, 105228, 108151, 109520, 116920, 123210, 131535, 140304, 164280, 175380, 197136, 210456, 216302, 233840, 246420, 263070, 324453, 328560, 350760, 420912, 432604, 492840, 526140, 540755, 648906, 701520, 865208, 973359, 985680, 1052280, 1081510, 1297812, 1622265, 1730416, 1946718, 2104560, 2163020, 2595624, 3244530, 3893436, 4326040, 4866795, 5191248, 6489060, 7786872, 8652080, 9733590, 12978120, 15573744, 19467180, 25956240, 38934360, 77868720]

約数ペア:

[(1, 77868720), (2, 38934360), (3, 25956240), (4, 19467180), (5, 15573744), (6, 12978120), (8, 9733590), (9, 8652080), (10, 7786872), (12, 6489060), (15, 5191248), (16, 4866795), (18, 4326040), (20, 3893436), (24, 3244530), (30, 2595624), (36, 2163020), (37, 2104560), (40, 1946718), (45, 1730416), (48, 1622265), (60, 1297812), (72, 1081510), (74, 1052280), (79, 985680), (80, 973359), (90, 865208), (111, 701520), (120, 648906), (144, 540755), (148, 526140), (158, 492840), (180, 432604), (185, 420912), (222, 350760), (237, 328560), (240, 324453), (296, 263070), (316, 246420), (333, 233840), (360, 216302), (370, 210456), (395, 197136), (444, 175380), (474, 164280), (555, 140304), (592, 131535), (632, 123210), (666, 116920), (711, 109520), (720, 108151), (740, 105228), (790, 98568), (888, 87690), (948, 82140), (1110, 70152), (1185, 65712), (1264, 61605), (1332, 58460), (1369, 56880), (1422, 54760), (1480, 52614), (1580, 49284), (1665, 46768), (1776, 43845), (1896, 41070), (2220, 35076), (2370, 32856), (2664, 29230), (2738, 28440), (2844, 27380), (2923, 26640), (2960, 26307), (3160, 24642), (3330, 23384), (3555, 21904), (3792, 20535), (4107, 18960), (4440, 17538), (4740, 16428), (5328, 14615), (5476, 14220), (5688, 13690), (5846, 13320), (6320, 12321), (6660, 11692), (6845, 11376), (7110, 10952), (8214, 9480), (8769, 8880)]