280797350680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{216551}}^1$

素因数の和:217001

約数の個数: 128

約数和(自身を含む): 789565916160

約数和(自身を除く): 508768565480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 421, 440, 616, 770, 842, 1540, 1684, 2105, 2947, 3080, 3368, 4210, 4631, 5894, 8420, 9262, 11788, 14735, 16840, 18524, 23155, 23576, 29470, 32417, 37048, 46310, 58940, 64834, 92620, 117880, 129668, 162085, 185240, 216551, 259336, 324170, 433102, 648340, 866204, 1082755, 1296680, 1515857, 1732408, 2165510, 2382061, 3031714, 4331020, 4764122, 6063428, 7579285, 8662040, 9528244, 11910305, 12126856, 15158570, 16674427, 19056488, 23820610, 30317140, 33348854, 47641220, 60634280, 66697708, 83372135, 91167971, 95282440, 133395416, 166744270, 182335942, 333488540, 364671884, 455839855, 638175797, 666977080, 729343768, 911679710, 1002847681, 1276351594, 1823359420, 2005695362, 2552703188, 3190878985, 3646718840, 4011390724, 5014238405, 5105406376, 6381757970, 7019933767, 8022781448, 10028476810, 12763515940, 14039867534, 20056953620, 25527031880, 28079735068, 35099668835, 40113907240, 56159470136, 70199337670, 140398675340, 280797350680]

約数ペア:

[(1, 280797350680), (2, 140398675340), (4, 70199337670), (5, 56159470136), (7, 40113907240), (8, 35099668835), (10, 28079735068), (11, 25527031880), (14, 20056953620), (20, 14039867534), (22, 12763515940), (28, 10028476810), (35, 8022781448), (40, 7019933767), (44, 6381757970), (55, 5105406376), (56, 5014238405), (70, 4011390724), (77, 3646718840), (88, 3190878985), (110, 2552703188), (140, 2005695362), (154, 1823359420), (220, 1276351594), (280, 1002847681), (308, 911679710), (385, 729343768), (421, 666977080), (440, 638175797), (616, 455839855), (770, 364671884), (842, 333488540), (1540, 182335942), (1684, 166744270), (2105, 133395416), (2947, 95282440), (3080, 91167971), (3368, 83372135), (4210, 66697708), (4631, 60634280), (5894, 47641220), (8420, 33348854), (9262, 30317140), (11788, 23820610), (14735, 19056488), (16840, 16674427), (18524, 15158570), (23155, 12126856), (23576, 11910305), (29470, 9528244), (32417, 8662040), (37048, 7579285), (46310, 6063428), (58940, 4764122), (64834, 4331020), (92620, 3031714), (117880, 2382061), (129668, 2165510), (162085, 1732408), (185240, 1515857), (216551, 1296680), (259336, 1082755), (324170, 866204), (433102, 648340)]