256545360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1627}}^1$

素因数の和:1722

約数の個数: 160

約数和(自身を含む): 896311680

約数和(自身を除く): 639766320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 73, 80, 90, 108, 120, 135, 144, 146, 180, 216, 219, 240, 270, 292, 360, 365, 432, 438, 540, 584, 657, 720, 730, 876, 1080, 1095, 1168, 1314, 1460, 1627, 1752, 1971, 2160, 2190, 2628, 2920, 3254, 3285, 3504, 3942, 4380, 4881, 5256, 5840, 6508, 6570, 7884, 8135, 8760, 9762, 9855, 10512, 13016, 13140, 14643, 15768, 16270, 17520, 19524, 19710, 24405, 26032, 26280, 29286, 31536, 32540, 39048, 39420, 43929, 48810, 52560, 58572, 65080, 73215, 78096, 78840, 87858, 97620, 117144, 118771, 130160, 146430, 157680, 175716, 195240, 219645, 234288, 237542, 292860, 351432, 356313, 390480, 439290, 475084, 585720, 593855, 702864, 712626, 878580, 950168, 1068939, 1171440, 1187710, 1425252, 1757160, 1781565, 1900336, 2137878, 2375420, 2850504, 3206817, 3514320, 3563130, 4275756, 4750840, 5344695, 5701008, 6413634, 7126260, 8551512, 9501680, 10689390, 12827268, 14252520, 16034085, 17103024, 21378780, 25654536, 28505040, 32068170, 42757560, 51309072, 64136340, 85515120, 128272680, 256545360]

約数ペア:

[(1, 256545360), (2, 128272680), (3, 85515120), (4, 64136340), (5, 51309072), (6, 42757560), (8, 32068170), (9, 28505040), (10, 25654536), (12, 21378780), (15, 17103024), (16, 16034085), (18, 14252520), (20, 12827268), (24, 10689390), (27, 9501680), (30, 8551512), (36, 7126260), (40, 6413634), (45, 5701008), (48, 5344695), (54, 4750840), (60, 4275756), (72, 3563130), (73, 3514320), (80, 3206817), (90, 2850504), (108, 2375420), (120, 2137878), (135, 1900336), (144, 1781565), (146, 1757160), (180, 1425252), (216, 1187710), (219, 1171440), (240, 1068939), (270, 950168), (292, 878580), (360, 712626), (365, 702864), (432, 593855), (438, 585720), (540, 475084), (584, 439290), (657, 390480), (720, 356313), (730, 351432), (876, 292860), (1080, 237542), (1095, 234288), (1168, 219645), (1314, 195240), (1460, 175716), (1627, 157680), (1752, 146430), (1971, 130160), (2160, 118771), (2190, 117144), (2628, 97620), (2920, 87858), (3254, 78840), (3285, 78096), (3504, 73215), (3942, 65080), (4380, 58572), (4881, 52560), (5256, 48810), (5840, 43929), (6508, 39420), (6570, 39048), (7884, 32540), (8135, 31536), (8760, 29286), (9762, 26280), (9855, 26032), (10512, 24405), (13016, 19710), (13140, 19524), (14643, 17520), (15768, 16270)]