77815920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:552

約数の個数: 240

約数和(自身を含む): 302793120

約数和(自身を除く): 224977200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 509, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 840, 910, 980, 1018, 1040, 1092, 1176, 1274, 1365, 1456, 1470, 1527, 1560, 1680, 1820, 1911, 1960, 2036, 2184, 2352, 2545, 2548, 2730, 2940, 3054, 3120, 3185, 3563, 3640, 3822, 3920, 4072, 4368, 5090, 5096, 5460, 5880, 6108, 6370, 6617, 7126, 7280, 7635, 7644, 8144, 9555, 10180, 10192, 10689, 10920, 11760, 12216, 12740, 13234, 14252, 15270, 15288, 17815, 19110, 19851, 20360, 21378, 21840, 24432, 24941, 25480, 26468, 28504, 30540, 30576, 33085, 35630, 38220, 39702, 40720, 42756, 46319, 49882, 50960, 52936, 53445, 57008, 61080, 66170, 71260, 74823, 76440, 79404, 85512, 92638, 99255, 99764, 105872, 106890, 122160, 124705, 132340, 138957, 142520, 149646, 152880, 158808, 171024, 185276, 198510, 199528, 213780, 231595, 249410, 264680, 277914, 285040, 299292, 317616, 324233, 370552, 374115, 397020, 399056, 427560, 463190, 498820, 529360, 555828, 598584, 648466, 694785, 741104, 748230, 794040, 855120, 926380, 972699, 997640, 1111656, 1197168, 1296932, 1389570, 1496460, 1588080, 1621165, 1852760, 1945398, 1995280, 2223312, 2593864, 2779140, 2992920, 3242330, 3705520, 3890796, 4863495, 5187728, 5558280, 5985840, 6484660, 7781592, 9726990, 11116560, 12969320, 15563184, 19453980, 25938640, 38907960, 77815920]

約数ペア:

[(1, 77815920), (2, 38907960), (3, 25938640), (4, 19453980), (5, 15563184), (6, 12969320), (7, 11116560), (8, 9726990), (10, 7781592), (12, 6484660), (13, 5985840), (14, 5558280), (15, 5187728), (16, 4863495), (20, 3890796), (21, 3705520), (24, 3242330), (26, 2992920), (28, 2779140), (30, 2593864), (35, 2223312), (39, 1995280), (40, 1945398), (42, 1852760), (48, 1621165), (49, 1588080), (52, 1496460), (56, 1389570), (60, 1296932), (65, 1197168), (70, 1111656), (78, 997640), (80, 972699), (84, 926380), (91, 855120), (98, 794040), (104, 748230), (105, 741104), (112, 694785), (120, 648466), (130, 598584), (140, 555828), (147, 529360), (156, 498820), (168, 463190), (182, 427560), (195, 399056), (196, 397020), (208, 374115), (210, 370552), (240, 324233), (245, 317616), (260, 299292), (273, 285040), (280, 277914), (294, 264680), (312, 249410), (336, 231595), (364, 213780), (390, 199528), (392, 198510), (420, 185276), (455, 171024), (490, 158808), (509, 152880), (520, 149646), (546, 142520), (560, 138957), (588, 132340), (624, 124705), (637, 122160), (728, 106890), (735, 105872), (780, 99764), (784, 99255), (840, 92638), (910, 85512), (980, 79404), (1018, 76440), (1040, 74823), (1092, 71260), (1176, 66170), (1274, 61080), (1365, 57008), (1456, 53445), (1470, 52936), (1527, 50960), (1560, 49882), (1680, 46319), (1820, 42756), (1911, 40720), (1960, 39702), (2036, 38220), (2184, 35630), (2352, 33085), (2545, 30576), (2548, 30540), (2730, 28504), (2940, 26468), (3054, 25480), (3120, 24941), (3185, 24432), (3563, 21840), (3640, 21378), (3822, 20360), (3920, 19851), (4072, 19110), (4368, 17815), (5090, 15288), (5096, 15270), (5460, 14252), (5880, 13234), (6108, 12740), (6370, 12216), (6617, 11760), (7126, 10920), (7280, 10689), (7635, 10192), (7644, 10180), (8144, 9555)]