256268320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 288

約数和(自身を含む): 797948928

約数和(自身を除く): 541680608

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 61, 62, 70, 77, 80, 88, 110, 112, 121, 122, 124, 140, 154, 155, 160, 176, 217, 220, 224, 242, 244, 248, 280, 305, 308, 310, 341, 352, 385, 427, 434, 440, 484, 488, 496, 560, 605, 610, 616, 620, 671, 682, 770, 847, 854, 868, 880, 968, 976, 992, 1085, 1120, 1210, 1220, 1232, 1240, 1342, 1364, 1540, 1694, 1705, 1708, 1736, 1760, 1891, 1936, 1952, 2135, 2170, 2387, 2420, 2440, 2464, 2480, 2684, 2728, 3080, 3355, 3388, 3410, 3416, 3472, 3751, 3782, 3872, 4235, 4270, 4340, 4697, 4774, 4840, 4880, 4960, 5368, 5456, 6160, 6710, 6776, 6820, 6832, 6944, 7381, 7502, 7564, 8470, 8540, 8680, 9394, 9455, 9548, 9680, 9760, 10736, 10912, 11935, 12320, 13237, 13420, 13552, 13640, 13664, 14762, 15004, 15128, 16940, 17080, 17360, 18755, 18788, 18910, 19096, 19360, 20801, 21472, 23485, 23870, 26257, 26474, 26840, 27104, 27280, 29524, 30008, 30256, 33880, 34160, 34720, 36905, 37510, 37576, 37820, 38192, 41602, 46970, 47740, 51667, 52514, 52948, 53680, 54560, 59048, 60016, 60512, 66185, 67760, 68320, 73810, 75020, 75152, 75640, 76384, 83204, 93940, 95480, 103334, 104005, 105028, 105896, 107360, 118096, 120032, 131285, 132370, 135520, 145607, 147620, 150040, 150304, 151280, 166408, 187880, 190960, 206668, 208010, 210056, 211792, 228811, 236192, 258335, 262570, 264740, 291214, 295240, 300080, 302560, 332816, 375760, 381920, 413336, 416020, 420112, 423584, 457622, 516670, 525140, 529480, 582428, 590480, 600160, 665632, 728035, 751520, 826672, 832040, 840224, 915244, 1033340, 1050280, 1058960, 1144055, 1164856, 1180960, 1456070, 1601677, 1653344, 1664080, 1830488, 2066680, 2100560, 2117920, 2288110, 2329712, 2912140, 3203354, 3328160, 3660976, 4133360, 4201120, 4576220, 4659424, 5824280, 6406708, 7321952, 8008385, 8266720, 9152440, 11648560, 12813416, 16016770, 18304880, 23297120, 25626832, 32033540, 36609760, 51253664, 64067080, 128134160, 256268320]

約数ペア:

[(1, 256268320), (2, 128134160), (4, 64067080), (5, 51253664), (7, 36609760), (8, 32033540), (10, 25626832), (11, 23297120), (14, 18304880), (16, 16016770), (20, 12813416), (22, 11648560), (28, 9152440), (31, 8266720), (32, 8008385), (35, 7321952), (40, 6406708), (44, 5824280), (55, 4659424), (56, 4576220), (61, 4201120), (62, 4133360), (70, 3660976), (77, 3328160), (80, 3203354), (88, 2912140), (110, 2329712), (112, 2288110), (121, 2117920), (122, 2100560), (124, 2066680), (140, 1830488), (154, 1664080), (155, 1653344), (160, 1601677), (176, 1456070), (217, 1180960), (220, 1164856), (224, 1144055), (242, 1058960), (244, 1050280), (248, 1033340), (280, 915244), (305, 840224), (308, 832040), (310, 826672), (341, 751520), (352, 728035), (385, 665632), (427, 600160), (434, 590480), (440, 582428), (484, 529480), (488, 525140), (496, 516670), (560, 457622), (605, 423584), (610, 420112), (616, 416020), (620, 413336), (671, 381920), (682, 375760), (770, 332816), (847, 302560), (854, 300080), (868, 295240), (880, 291214), (968, 264740), (976, 262570), (992, 258335), (1085, 236192), (1120, 228811), (1210, 211792), (1220, 210056), (1232, 208010), (1240, 206668), (1342, 190960), (1364, 187880), (1540, 166408), (1694, 151280), (1705, 150304), (1708, 150040), (1736, 147620), (1760, 145607), (1891, 135520), (1936, 132370), (1952, 131285), (2135, 120032), (2170, 118096), (2387, 107360), (2420, 105896), (2440, 105028), (2464, 104005), (2480, 103334), (2684, 95480), (2728, 93940), (3080, 83204), (3355, 76384), (3388, 75640), (3410, 75152), (3416, 75020), (3472, 73810), (3751, 68320), (3782, 67760), (3872, 66185), (4235, 60512), (4270, 60016), (4340, 59048), (4697, 54560), (4774, 53680), (4840, 52948), (4880, 52514), (4960, 51667), (5368, 47740), (5456, 46970), (6160, 41602), (6710, 38192), (6776, 37820), (6820, 37576), (6832, 37510), (6944, 36905), (7381, 34720), (7502, 34160), (7564, 33880), (8470, 30256), (8540, 30008), (8680, 29524), (9394, 27280), (9455, 27104), (9548, 26840), (9680, 26474), (9760, 26257), (10736, 23870), (10912, 23485), (11935, 21472), (12320, 20801), (13237, 19360), (13420, 19096), (13552, 18910), (13640, 18788), (13664, 18755), (14762, 17360), (15004, 17080), (15128, 16940)]