1278928560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1956

約数の個数: 320

約数和(自身を含む): 5039677440

約数和(自身を除く): 3760748880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 48, 52, 56, 60, 62, 65, 70, 78, 80, 84, 91, 93, 104, 105, 112, 120, 124, 130, 140, 155, 156, 168, 182, 186, 195, 208, 210, 217, 240, 248, 260, 273, 280, 310, 312, 336, 364, 372, 390, 403, 420, 434, 455, 465, 496, 520, 546, 560, 620, 624, 651, 728, 744, 780, 806, 840, 868, 910, 930, 1040, 1085, 1092, 1209, 1240, 1302, 1365, 1456, 1488, 1560, 1612, 1680, 1736, 1820, 1860, 1889, 2015, 2170, 2184, 2418, 2480, 2604, 2730, 2821, 3120, 3224, 3255, 3472, 3640, 3720, 3778, 4030, 4340, 4368, 4836, 5208, 5460, 5642, 5667, 6045, 6448, 6510, 7280, 7440, 7556, 8060, 8463, 8680, 9445, 9672, 10416, 10920, 11284, 11334, 12090, 13020, 13223, 14105, 15112, 16120, 16926, 17360, 18890, 19344, 21840, 22568, 22668, 24180, 24557, 26040, 26446, 28210, 28335, 30224, 32240, 33852, 37780, 39669, 42315, 45136, 45336, 48360, 49114, 52080, 52892, 56420, 56670, 58559, 66115, 67704, 73671, 75560, 79338, 84630, 90672, 96720, 98228, 105784, 112840, 113340, 117118, 122785, 132230, 135408, 147342, 151120, 158676, 169260, 171899, 175677, 196456, 198345, 211568, 225680, 226680, 234236, 245570, 264460, 292795, 294684, 317352, 338520, 343798, 351354, 368355, 392912, 396690, 409913, 453360, 468472, 491140, 515697, 528920, 585590, 589368, 634704, 677040, 687596, 702708, 736710, 761267, 793380, 819826, 859495, 878385, 936944, 982280, 1031394, 1057840, 1171180, 1178736, 1229739, 1375192, 1405416, 1473420, 1522534, 1586760, 1639652, 1718990, 1756770, 1964560, 2049565, 2062788, 2283801, 2342360, 2459478, 2578485, 2750384, 2810832, 2946840, 3045068, 3173520, 3279304, 3437980, 3513540, 3806335, 4099130, 4125576, 4567602, 4684720, 4918956, 5156970, 5328869, 5893680, 6090136, 6148695, 6558608, 6875960, 7027080, 7612670, 8198260, 8251152, 9135204, 9837912, 10313940, 10657738, 11419005, 12180272, 12297390, 13751920, 14054160, 15225340, 15986607, 16396520, 18270408, 19675824, 20627880, 21315476, 22838010, 24594780, 26644345, 30450680, 31973214, 32793040, 36540816, 41255760, 42630952, 45676020, 49189560, 53288690, 60901360, 63946428, 79933035, 85261904, 91352040, 98379120, 106577380, 127892856, 159866070, 182704080, 213154760, 255785712, 319732140, 426309520, 639464280, 1278928560]

約数ペア:

[(1, 1278928560), (2, 639464280), (3, 426309520), (4, 319732140), (5, 255785712), (6, 213154760), (7, 182704080), (8, 159866070), (10, 127892856), (12, 106577380), (13, 98379120), (14, 91352040), (15, 85261904), (16, 79933035), (20, 63946428), (21, 60901360), (24, 53288690), (26, 49189560), (28, 45676020), (30, 42630952), (31, 41255760), (35, 36540816), (39, 32793040), (40, 31973214), (42, 30450680), (48, 26644345), (52, 24594780), (56, 22838010), (60, 21315476), (62, 20627880), (65, 19675824), (70, 18270408), (78, 16396520), (80, 15986607), (84, 15225340), (91, 14054160), (93, 13751920), (104, 12297390), (105, 12180272), (112, 11419005), (120, 10657738), (124, 10313940), (130, 9837912), (140, 9135204), (155, 8251152), (156, 8198260), (168, 7612670), (182, 7027080), (186, 6875960), (195, 6558608), (208, 6148695), (210, 6090136), (217, 5893680), (240, 5328869), (248, 5156970), (260, 4918956), (273, 4684720), (280, 4567602), (310, 4125576), (312, 4099130), (336, 3806335), (364, 3513540), (372, 3437980), (390, 3279304), (403, 3173520), (420, 3045068), (434, 2946840), (455, 2810832), (465, 2750384), (496, 2578485), (520, 2459478), (546, 2342360), (560, 2283801), (620, 2062788), (624, 2049565), (651, 1964560), (728, 1756770), (744, 1718990), (780, 1639652), (806, 1586760), (840, 1522534), (868, 1473420), (910, 1405416), (930, 1375192), (1040, 1229739), (1085, 1178736), (1092, 1171180), (1209, 1057840), (1240, 1031394), (1302, 982280), (1365, 936944), (1456, 878385), (1488, 859495), (1560, 819826), (1612, 793380), (1680, 761267), (1736, 736710), (1820, 702708), (1860, 687596), (1889, 677040), (2015, 634704), (2170, 589368), (2184, 585590), (2418, 528920), (2480, 515697), (2604, 491140), (2730, 468472), (2821, 453360), (3120, 409913), (3224, 396690), (3255, 392912), (3472, 368355), (3640, 351354), (3720, 343798), (3778, 338520), (4030, 317352), (4340, 294684), (4368, 292795), (4836, 264460), (5208, 245570), (5460, 234236), (5642, 226680), (5667, 225680), (6045, 211568), (6448, 198345), (6510, 196456), (7280, 175677), (7440, 171899), (7556, 169260), (8060, 158676), (8463, 151120), (8680, 147342), (9445, 135408), (9672, 132230), (10416, 122785), (10920, 117118), (11284, 113340), (11334, 112840), (12090, 105784), (13020, 98228), (13223, 96720), (14105, 90672), (15112, 84630), (16120, 79338), (16926, 75560), (17360, 73671), (18890, 67704), (19344, 66115), (21840, 58559), (22568, 56670), (22668, 56420), (24180, 52892), (24557, 52080), (26040, 49114), (26446, 48360), (28210, 45336), (28335, 45136), (30224, 42315), (32240, 39669), (33852, 37780)]