256816560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1069}}^1$

素因数の和:1116

約数の個数: 320

約数和(自身を含む): 1069931520

約数和(自身を除く): 813114960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 104, 105, 110, 112, 120, 130, 132, 140, 143, 154, 156, 165, 168, 176, 182, 195, 208, 210, 220, 231, 240, 260, 264, 273, 280, 286, 308, 312, 330, 336, 364, 385, 390, 420, 429, 440, 455, 462, 520, 528, 546, 560, 572, 616, 624, 660, 715, 728, 770, 780, 840, 858, 880, 910, 924, 1001, 1040, 1069, 1092, 1144, 1155, 1232, 1320, 1365, 1430, 1456, 1540, 1560, 1680, 1716, 1820, 1848, 2002, 2138, 2145, 2184, 2288, 2310, 2640, 2730, 2860, 3003, 3080, 3120, 3207, 3432, 3640, 3696, 4004, 4276, 4290, 4368, 4620, 5005, 5345, 5460, 5720, 6006, 6160, 6414, 6864, 7280, 7483, 8008, 8552, 8580, 9240, 10010, 10690, 10920, 11440, 11759, 12012, 12828, 13897, 14966, 15015, 16016, 16035, 17104, 17160, 18480, 20020, 21380, 21840, 22449, 23518, 24024, 25656, 27794, 29932, 30030, 32070, 34320, 35277, 37415, 40040, 41691, 42760, 44898, 47036, 48048, 51312, 55588, 58795, 59864, 60060, 64140, 69485, 70554, 74830, 80080, 82313, 83382, 85520, 89796, 94072, 97279, 111176, 112245, 117590, 119728, 120120, 128280, 138970, 141108, 149660, 152867, 164626, 166764, 176385, 179592, 188144, 194558, 208455, 222352, 224490, 235180, 240240, 246939, 256560, 277940, 282216, 291837, 299320, 305734, 329252, 333528, 352770, 359184, 389116, 411565, 416910, 448980, 458601, 470360, 486395, 493878, 555880, 564432, 583674, 598640, 611468, 658504, 667056, 705540, 764335, 778232, 823130, 833820, 897960, 917202, 940720, 972790, 987756, 1070069, 1111760, 1167348, 1222936, 1234695, 1317008, 1411080, 1459185, 1528670, 1556464, 1646260, 1667640, 1795920, 1834404, 1945580, 1975512, 2140138, 2293005, 2334696, 2445872, 2469390, 2822160, 2918370, 3057340, 3210207, 3292520, 3335280, 3668808, 3891160, 3951024, 4280276, 4586010, 4669392, 4938780, 5350345, 5836740, 6114680, 6420414, 6585040, 7337616, 7782320, 8560552, 9172020, 9877560, 10700690, 11673480, 12229360, 12840828, 16051035, 17121104, 18344040, 19755120, 21401380, 23346960, 25681656, 32102070, 36688080, 42802760, 51363312, 64204140, 85605520, 128408280, 256816560]

約数ペア:

[(1, 256816560), (2, 128408280), (3, 85605520), (4, 64204140), (5, 51363312), (6, 42802760), (7, 36688080), (8, 32102070), (10, 25681656), (11, 23346960), (12, 21401380), (13, 19755120), (14, 18344040), (15, 17121104), (16, 16051035), (20, 12840828), (21, 12229360), (22, 11673480), (24, 10700690), (26, 9877560), (28, 9172020), (30, 8560552), (33, 7782320), (35, 7337616), (39, 6585040), (40, 6420414), (42, 6114680), (44, 5836740), (48, 5350345), (52, 4938780), (55, 4669392), (56, 4586010), (60, 4280276), (65, 3951024), (66, 3891160), (70, 3668808), (77, 3335280), (78, 3292520), (80, 3210207), (84, 3057340), (88, 2918370), (91, 2822160), (104, 2469390), (105, 2445872), (110, 2334696), (112, 2293005), (120, 2140138), (130, 1975512), (132, 1945580), (140, 1834404), (143, 1795920), (154, 1667640), (156, 1646260), (165, 1556464), (168, 1528670), (176, 1459185), (182, 1411080), (195, 1317008), (208, 1234695), (210, 1222936), (220, 1167348), (231, 1111760), (240, 1070069), (260, 987756), (264, 972790), (273, 940720), (280, 917202), (286, 897960), (308, 833820), (312, 823130), (330, 778232), (336, 764335), (364, 705540), (385, 667056), (390, 658504), (420, 611468), (429, 598640), (440, 583674), (455, 564432), (462, 555880), (520, 493878), (528, 486395), (546, 470360), (560, 458601), (572, 448980), (616, 416910), (624, 411565), (660, 389116), (715, 359184), (728, 352770), (770, 333528), (780, 329252), (840, 305734), (858, 299320), (880, 291837), (910, 282216), (924, 277940), (1001, 256560), (1040, 246939), (1069, 240240), (1092, 235180), (1144, 224490), (1155, 222352), (1232, 208455), (1320, 194558), (1365, 188144), (1430, 179592), (1456, 176385), (1540, 166764), (1560, 164626), (1680, 152867), (1716, 149660), (1820, 141108), (1848, 138970), (2002, 128280), (2138, 120120), (2145, 119728), (2184, 117590), (2288, 112245), (2310, 111176), (2640, 97279), (2730, 94072), (2860, 89796), (3003, 85520), (3080, 83382), (3120, 82313), (3207, 80080), (3432, 74830), (3640, 70554), (3696, 69485), (4004, 64140), (4276, 60060), (4290, 59864), (4368, 58795), (4620, 55588), (5005, 51312), (5345, 48048), (5460, 47036), (5720, 44898), (6006, 42760), (6160, 41691), (6414, 40040), (6864, 37415), (7280, 35277), (7483, 34320), (8008, 32070), (8552, 30030), (8580, 29932), (9240, 27794), (10010, 25656), (10690, 24024), (10920, 23518), (11440, 22449), (11759, 21840), (12012, 21380), (12828, 20020), (13897, 18480), (14966, 17160), (15015, 17104), (16016, 16035)]