31182840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2254

約数の個数: 128

約数和(自身を含む): 111988800

約数和(自身を除く): 80805960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2221, 2340, 2808, 3510, 4442, 4680, 6663, 7020, 8884, 11105, 13326, 14040, 17768, 19989, 22210, 26652, 28873, 33315, 39978, 44420, 53304, 57746, 59967, 66630, 79956, 86619, 88840, 99945, 115492, 119934, 133260, 144365, 159912, 173238, 199890, 230984, 239868, 259857, 266520, 288730, 299835, 346476, 399780, 433095, 479736, 519714, 577460, 599670, 692952, 779571, 799560, 866190, 1039428, 1154920, 1199340, 1299285, 1559142, 1732380, 2078856, 2398680, 2598570, 3118284, 3464760, 3897855, 5197140, 6236568, 7795710, 10394280, 15591420, 31182840]

約数ペア:

[(1, 31182840), (2, 15591420), (3, 10394280), (4, 7795710), (5, 6236568), (6, 5197140), (8, 3897855), (9, 3464760), (10, 3118284), (12, 2598570), (13, 2398680), (15, 2078856), (18, 1732380), (20, 1559142), (24, 1299285), (26, 1199340), (27, 1154920), (30, 1039428), (36, 866190), (39, 799560), (40, 779571), (45, 692952), (52, 599670), (54, 577460), (60, 519714), (65, 479736), (72, 433095), (78, 399780), (90, 346476), (104, 299835), (108, 288730), (117, 266520), (120, 259857), (130, 239868), (135, 230984), (156, 199890), (180, 173238), (195, 159912), (216, 144365), (234, 133260), (260, 119934), (270, 115492), (312, 99945), (351, 88840), (360, 86619), (390, 79956), (468, 66630), (520, 59967), (540, 57746), (585, 53304), (702, 44420), (780, 39978), (936, 33315), (1080, 28873), (1170, 26652), (1404, 22210), (1560, 19989), (1755, 17768), (2221, 14040), (2340, 13326), (2808, 11105), (3510, 8884), (4442, 7020), (4680, 6663)]