31019040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1691

約数の個数: 144

約数和(自身を含む): 114063768

約数和(自身を除く): 83044728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1657, 1872, 2080, 2340, 3120, 3314, 3744, 4680, 4971, 6240, 6628, 8285, 9360, 9942, 13256, 14913, 16570, 18720, 19884, 21541, 24855, 26512, 29826, 33140, 39768, 43082, 49710, 53024, 59652, 64623, 66280, 74565, 79536, 86164, 99420, 107705, 119304, 129246, 132560, 149130, 159072, 172328, 193869, 198840, 215410, 238608, 258492, 265120, 298260, 323115, 344656, 387738, 397680, 430820, 477216, 516984, 596520, 646230, 689312, 775476, 795360, 861640, 969345, 1033968, 1193040, 1292460, 1550952, 1723280, 1938690, 2067936, 2386080, 2584920, 3101904, 3446560, 3877380, 5169840, 6203808, 7754760, 10339680, 15509520, 31019040]

約数ペア:

[(1, 31019040), (2, 15509520), (3, 10339680), (4, 7754760), (5, 6203808), (6, 5169840), (8, 3877380), (9, 3446560), (10, 3101904), (12, 2584920), (13, 2386080), (15, 2067936), (16, 1938690), (18, 1723280), (20, 1550952), (24, 1292460), (26, 1193040), (30, 1033968), (32, 969345), (36, 861640), (39, 795360), (40, 775476), (45, 689312), (48, 646230), (52, 596520), (60, 516984), (65, 477216), (72, 430820), (78, 397680), (80, 387738), (90, 344656), (96, 323115), (104, 298260), (117, 265120), (120, 258492), (130, 238608), (144, 215410), (156, 198840), (160, 193869), (180, 172328), (195, 159072), (208, 149130), (234, 132560), (240, 129246), (260, 119304), (288, 107705), (312, 99420), (360, 86164), (390, 79536), (416, 74565), (468, 66280), (480, 64623), (520, 59652), (585, 53024), (624, 49710), (720, 43082), (780, 39768), (936, 33140), (1040, 29826), (1170, 26512), (1248, 24855), (1440, 21541), (1560, 19884), (1657, 18720), (1872, 16570), (2080, 14913), (2340, 13256), (3120, 9942), (3314, 9360), (3744, 8285), (4680, 6628), (4971, 6240)]