18261360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1951}}^1$

素因数の和:1983

約数の個数: 120

約数和(自身を含む): 66079104

約数和(自身を除く): 47817744

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, 1872, 1951, 2340, 3120, 3902, 4680, 5853, 7804, 9360, 9755, 11706, 15608, 17559, 19510, 23412, 25363, 29265, 31216, 35118, 39020, 46824, 50726, 58530, 70236, 76089, 78040, 87795, 93648, 101452, 117060, 126815, 140472, 152178, 156080, 175590, 202904, 228267, 234120, 253630, 280944, 304356, 351180, 380445, 405808, 456534, 468240, 507260, 608712, 702360, 760890, 913068, 1014520, 1141335, 1217424, 1404720, 1521780, 1826136, 2029040, 2282670, 3043560, 3652272, 4565340, 6087120, 9130680, 18261360]

約数ペア:

[(1, 18261360), (2, 9130680), (3, 6087120), (4, 4565340), (5, 3652272), (6, 3043560), (8, 2282670), (9, 2029040), (10, 1826136), (12, 1521780), (13, 1404720), (15, 1217424), (16, 1141335), (18, 1014520), (20, 913068), (24, 760890), (26, 702360), (30, 608712), (36, 507260), (39, 468240), (40, 456534), (45, 405808), (48, 380445), (52, 351180), (60, 304356), (65, 280944), (72, 253630), (78, 234120), (80, 228267), (90, 202904), (104, 175590), (117, 156080), (120, 152178), (130, 140472), (144, 126815), (156, 117060), (180, 101452), (195, 93648), (208, 87795), (234, 78040), (240, 76089), (260, 70236), (312, 58530), (360, 50726), (390, 46824), (468, 39020), (520, 35118), (585, 31216), (624, 29265), (720, 25363), (780, 23412), (936, 19510), (1040, 17559), (1170, 15608), (1560, 11706), (1872, 9755), (1951, 9360), (2340, 7804), (3120, 5853), (3902, 4680)]