15509520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1689

約数の個数: 120

約数和(自身を含む): 56126616

約数和(自身を除く): 40617096

約数列:

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

約数ペア:

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