311285520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4751}}^1$

素因数の和:4790

約数の個数: 240

約数和(自身を含む): 1286917632

約数和(自身を除く): 975632112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 4095, 4368, 4680, 4751, 5040, 5460, 6552, 7280, 8190, 9360, 9502, 10920, 13104, 14253, 16380, 19004, 21840, 23755, 28506, 32760, 33257, 38008, 42759, 47510, 57012, 61763, 65520, 66514, 71265, 76016, 85518, 95020, 99771, 114024, 123526, 133028, 142530, 166285, 171036, 185289, 190040, 199542, 213795, 228048, 247052, 266056, 285060, 299313, 308815, 332570, 342072, 370578, 380080, 399084, 427590, 432341, 494104, 498855, 532112, 555867, 570120, 598626, 617630, 665140, 684144, 741156, 798168, 855180, 864682, 926445, 988208, 997710, 1111734, 1140240, 1197252, 1235260, 1297023, 1330280, 1482312, 1496565, 1596336, 1710360, 1729364, 1852890, 1995420, 2161705, 2223468, 2394504, 2470520, 2594046, 2660560, 2779335, 2964624, 2993130, 3420720, 3458728, 3705780, 3891069, 3990840, 4323410, 4446936, 4789008, 4941040, 5188092, 5558670, 5986260, 6485115, 6917456, 7411560, 7782138, 7981680, 8646820, 8893872, 10376184, 11117340, 11972520, 12970230, 14823120, 15564276, 17293640, 19455345, 20752368, 22234680, 23945040, 25940460, 31128552, 34587280, 38910690, 44469360, 51880920, 62257104, 77821380, 103761840, 155642760, 311285520]

約数ペア:

[(1, 311285520), (2, 155642760), (3, 103761840), (4, 77821380), (5, 62257104), (6, 51880920), (7, 44469360), (8, 38910690), (9, 34587280), (10, 31128552), (12, 25940460), (13, 23945040), (14, 22234680), (15, 20752368), (16, 19455345), (18, 17293640), (20, 15564276), (21, 14823120), (24, 12970230), (26, 11972520), (28, 11117340), (30, 10376184), (35, 8893872), (36, 8646820), (39, 7981680), (40, 7782138), (42, 7411560), (45, 6917456), (48, 6485115), (52, 5986260), (56, 5558670), (60, 5188092), (63, 4941040), (65, 4789008), (70, 4446936), (72, 4323410), (78, 3990840), (80, 3891069), (84, 3705780), (90, 3458728), (91, 3420720), (104, 2993130), (105, 2964624), (112, 2779335), (117, 2660560), (120, 2594046), (126, 2470520), (130, 2394504), (140, 2223468), (144, 2161705), (156, 1995420), (168, 1852890), (180, 1729364), (182, 1710360), (195, 1596336), (208, 1496565), (210, 1482312), (234, 1330280), (240, 1297023), (252, 1235260), (260, 1197252), (273, 1140240), (280, 1111734), (312, 997710), (315, 988208), (336, 926445), (360, 864682), (364, 855180), (390, 798168), (420, 741156), (455, 684144), (468, 665140), (504, 617630), (520, 598626), (546, 570120), (560, 555867), (585, 532112), (624, 498855), (630, 494104), (720, 432341), (728, 427590), (780, 399084), (819, 380080), (840, 370578), (910, 342072), (936, 332570), (1008, 308815), (1040, 299313), (1092, 285060), (1170, 266056), (1260, 247052), (1365, 228048), (1456, 213795), (1560, 199542), (1638, 190040), (1680, 185289), (1820, 171036), (1872, 166285), (2184, 142530), (2340, 133028), (2520, 123526), (2730, 114024), (3120, 99771), (3276, 95020), (3640, 85518), (4095, 76016), (4368, 71265), (4680, 66514), (4751, 65520), (5040, 61763), (5460, 57012), (6552, 47510), (7280, 42759), (8190, 38008), (9360, 33257), (9502, 32760), (10920, 28506), (13104, 23755), (14253, 21840), (16380, 19004)]