1780931880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18121}}^1$

素因数の和:18161

約数の個数: 256

約数和(自身を含む): 7306790400

約数和(自身を除く): 5525858520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5460, 6552, 7020, 7560, 8190, 9828, 10920, 12285, 14040, 16380, 18121, 19656, 24570, 32760, 36242, 49140, 54363, 72484, 90605, 98280, 108726, 126847, 144968, 163089, 181210, 217452, 235573, 253694, 271815, 326178, 362420, 380541, 434904, 471146, 489267, 507388, 543630, 634235, 652356, 706719, 724840, 761082, 815445, 942292, 978534, 1014776, 1087260, 1141623, 1177865, 1268470, 1304712, 1413438, 1522164, 1630890, 1649011, 1884584, 1902705, 1957068, 2120157, 2174520, 2283246, 2355730, 2446335, 2536940, 2826876, 3044328, 3261780, 3298022, 3424869, 3533595, 3805410, 3914136, 4240314, 4566492, 4711460, 4892670, 4947033, 5073880, 5653752, 5708115, 6360471, 6523560, 6596044, 6849738, 7067190, 7610820, 8245055, 8480628, 9132984, 9422920, 9785340, 9894066, 10600785, 11416230, 12720942, 13192088, 13699476, 14134380, 14841099, 15221640, 16490110, 16961256, 17124345, 19570680, 19788132, 21201570, 22832460, 24735165, 25441884, 27398952, 28268760, 29682198, 31802355, 32980220, 34248690, 39576264, 42403140, 44523297, 45664920, 49470330, 50883768, 59364396, 63604710, 65960440, 68497380, 74205495, 84806280, 89046594, 98940660, 118728792, 127209420, 136994760, 148410990, 178093188, 197881320, 222616485, 254418840, 296821980, 356186376, 445232970, 593643960, 890465940, 1780931880]

約数ペア:

[(1, 1780931880), (2, 890465940), (3, 593643960), (4, 445232970), (5, 356186376), (6, 296821980), (7, 254418840), (8, 222616485), (9, 197881320), (10, 178093188), (12, 148410990), (13, 136994760), (14, 127209420), (15, 118728792), (18, 98940660), (20, 89046594), (21, 84806280), (24, 74205495), (26, 68497380), (27, 65960440), (28, 63604710), (30, 59364396), (35, 50883768), (36, 49470330), (39, 45664920), (40, 44523297), (42, 42403140), (45, 39576264), (52, 34248690), (54, 32980220), (56, 31802355), (60, 29682198), (63, 28268760), (65, 27398952), (70, 25441884), (72, 24735165), (78, 22832460), (84, 21201570), (90, 19788132), (91, 19570680), (104, 17124345), (105, 16961256), (108, 16490110), (117, 15221640), (120, 14841099), (126, 14134380), (130, 13699476), (135, 13192088), (140, 12720942), (156, 11416230), (168, 10600785), (180, 9894066), (182, 9785340), (189, 9422920), (195, 9132984), (210, 8480628), (216, 8245055), (234, 7610820), (252, 7067190), (260, 6849738), (270, 6596044), (273, 6523560), (280, 6360471), (312, 5708115), (315, 5653752), (351, 5073880), (360, 4947033), (364, 4892670), (378, 4711460), (390, 4566492), (420, 4240314), (455, 3914136), (468, 3805410), (504, 3533595), (520, 3424869), (540, 3298022), (546, 3261780), (585, 3044328), (630, 2826876), (702, 2536940), (728, 2446335), (756, 2355730), (780, 2283246), (819, 2174520), (840, 2120157), (910, 1957068), (936, 1902705), (945, 1884584), (1080, 1649011), (1092, 1630890), (1170, 1522164), (1260, 1413438), (1365, 1304712), (1404, 1268470), (1512, 1177865), (1560, 1141623), (1638, 1087260), (1755, 1014776), (1820, 978534), (1890, 942292), (2184, 815445), (2340, 761082), (2457, 724840), (2520, 706719), (2730, 652356), (2808, 634235), (3276, 543630), (3510, 507388), (3640, 489267), (3780, 471146), (4095, 434904), (4680, 380541), (4914, 362420), (5460, 326178), (6552, 271815), (7020, 253694), (7560, 235573), (8190, 217452), (9828, 181210), (10920, 163089), (12285, 144968), (14040, 126847), (16380, 108726), (18121, 98280), (19656, 90605), (24570, 72484), (32760, 54363), (36242, 49140)]