256860707280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1213}}^1\times {\mathrm{5413}}^1$

素因数の和:6805

約数の個数: 160

約数和(自身を含む): 801961873536

約数和(自身を除く): 545101166256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 815, 978, 1213, 1304, 1630, 1956, 2426, 2445, 2608, 3260, 3639, 3912, 4852, 4890, 5413, 6065, 6520, 7278, 7824, 9704, 9780, 10826, 12130, 13040, 14556, 16239, 18195, 19408, 19560, 21652, 24260, 27065, 29112, 32478, 36390, 39120, 43304, 48520, 54130, 58224, 64956, 72780, 81195, 86608, 97040, 108260, 129912, 145560, 162390, 197719, 216520, 259824, 291120, 324780, 395438, 433040, 593157, 649560, 790876, 882319, 988595, 1186314, 1299120, 1581752, 1764638, 1977190, 2372628, 2646957, 2965785, 3163504, 3529276, 3954380, 4411595, 4745256, 5293914, 5931570, 6565969, 7058552, 7908760, 8823190, 9490512, 10587828, 11863140, 13131938, 13234785, 14117104, 15817520, 17646380, 19697907, 21175656, 23726280, 26263876, 26469570, 32829845, 35292760, 39395814, 42351312, 47452560, 52527752, 52939140, 65659690, 70585520, 78791628, 98489535, 105055504, 105878280, 131319380, 157583256, 196979070, 211756560, 262638760, 315166512, 393958140, 525277520, 787916280, 1070252947, 1575832560, 2140505894, 3210758841, 4281011788, 5351264735, 6421517682, 8562023576, 10702529470, 12843035364, 16053794205, 17124047152, 21405058940, 25686070728, 32107588410, 42810117880, 51372141456, 64215176820, 85620235760, 128430353640, 256860707280]

約数ペア:

[(1, 256860707280), (2, 128430353640), (3, 85620235760), (4, 64215176820), (5, 51372141456), (6, 42810117880), (8, 32107588410), (10, 25686070728), (12, 21405058940), (15, 17124047152), (16, 16053794205), (20, 12843035364), (24, 10702529470), (30, 8562023576), (40, 6421517682), (48, 5351264735), (60, 4281011788), (80, 3210758841), (120, 2140505894), (163, 1575832560), (240, 1070252947), (326, 787916280), (489, 525277520), (652, 393958140), (815, 315166512), (978, 262638760), (1213, 211756560), (1304, 196979070), (1630, 157583256), (1956, 131319380), (2426, 105878280), (2445, 105055504), (2608, 98489535), (3260, 78791628), (3639, 70585520), (3912, 65659690), (4852, 52939140), (4890, 52527752), (5413, 47452560), (6065, 42351312), (6520, 39395814), (7278, 35292760), (7824, 32829845), (9704, 26469570), (9780, 26263876), (10826, 23726280), (12130, 21175656), (13040, 19697907), (14556, 17646380), (16239, 15817520), (18195, 14117104), (19408, 13234785), (19560, 13131938), (21652, 11863140), (24260, 10587828), (27065, 9490512), (29112, 8823190), (32478, 7908760), (36390, 7058552), (39120, 6565969), (43304, 5931570), (48520, 5293914), (54130, 4745256), (58224, 4411595), (64956, 3954380), (72780, 3529276), (81195, 3163504), (86608, 2965785), (97040, 2646957), (108260, 2372628), (129912, 1977190), (145560, 1764638), (162390, 1581752), (197719, 1299120), (216520, 1186314), (259824, 988595), (291120, 882319), (324780, 790876), (395438, 649560), (433040, 593157)]