51695280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 320

約数和(自身を含む): 219985920

約数和(自身を除く): 168290640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 168, 180, 182, 189, 195, 208, 210, 216, 234, 240, 252, 260, 263, 270, 273, 280, 312, 315, 336, 351, 360, 364, 378, 390, 420, 432, 455, 468, 504, 520, 526, 540, 546, 560, 585, 624, 630, 702, 720, 728, 756, 780, 789, 819, 840, 910, 936, 945, 1008, 1040, 1052, 1080, 1092, 1170, 1260, 1315, 1365, 1404, 1456, 1512, 1560, 1578, 1638, 1680, 1755, 1820, 1841, 1872, 1890, 2104, 2160, 2184, 2340, 2367, 2457, 2520, 2630, 2730, 2808, 3024, 3120, 3156, 3276, 3419, 3510, 3640, 3682, 3780, 3945, 4095, 4208, 4368, 4680, 4734, 4914, 5040, 5260, 5460, 5523, 5616, 6312, 6552, 6838, 7020, 7101, 7280, 7364, 7560, 7890, 8190, 9205, 9360, 9468, 9828, 10257, 10520, 10920, 11046, 11835, 12285, 12624, 13104, 13676, 14040, 14202, 14728, 15120, 15780, 16380, 16569, 17095, 18410, 18936, 19656, 20514, 21040, 21840, 22092, 23670, 23933, 24570, 27352, 27615, 28080, 28404, 29456, 30771, 31560, 32760, 33138, 34190, 35505, 36820, 37872, 39312, 41028, 44184, 47340, 47866, 49140, 49707, 51285, 54704, 55230, 56808, 61542, 63120, 65520, 66276, 68380, 71010, 71799, 73640, 82056, 82845, 88368, 92313, 94680, 95732, 98280, 99414, 102570, 110460, 113616, 119665, 123084, 132552, 136760, 142020, 143598, 147280, 153855, 164112, 165690, 184626, 189360, 191464, 196560, 198828, 205140, 215397, 220920, 239330, 246168, 248535, 265104, 273520, 284040, 287196, 307710, 331380, 358995, 369252, 382928, 397656, 410280, 430794, 441840, 461565, 478660, 492336, 497070, 568080, 574392, 615420, 646191, 662760, 717990, 738504, 795312, 820560, 861588, 923130, 957320, 994140, 1076985, 1148784, 1230840, 1292382, 1325520, 1435980, 1477008, 1723176, 1846260, 1914640, 1988280, 2153970, 2461680, 2584764, 2871960, 3230955, 3446352, 3692520, 3976560, 4307940, 5169528, 5743920, 6461910, 7385040, 8615880, 10339056, 12923820, 17231760, 25847640, 51695280]

約数ペア:

[(1, 51695280), (2, 25847640), (3, 17231760), (4, 12923820), (5, 10339056), (6, 8615880), (7, 7385040), (8, 6461910), (9, 5743920), (10, 5169528), (12, 4307940), (13, 3976560), (14, 3692520), (15, 3446352), (16, 3230955), (18, 2871960), (20, 2584764), (21, 2461680), (24, 2153970), (26, 1988280), (27, 1914640), (28, 1846260), (30, 1723176), (35, 1477008), (36, 1435980), (39, 1325520), (40, 1292382), (42, 1230840), (45, 1148784), (48, 1076985), (52, 994140), (54, 957320), (56, 923130), (60, 861588), (63, 820560), (65, 795312), (70, 738504), (72, 717990), (78, 662760), (80, 646191), (84, 615420), (90, 574392), (91, 568080), (104, 497070), (105, 492336), (108, 478660), (112, 461565), (117, 441840), (120, 430794), (126, 410280), (130, 397656), (135, 382928), (140, 369252), (144, 358995), (156, 331380), (168, 307710), (180, 287196), (182, 284040), (189, 273520), (195, 265104), (208, 248535), (210, 246168), (216, 239330), (234, 220920), (240, 215397), (252, 205140), (260, 198828), (263, 196560), (270, 191464), (273, 189360), (280, 184626), (312, 165690), (315, 164112), (336, 153855), (351, 147280), (360, 143598), (364, 142020), (378, 136760), (390, 132552), (420, 123084), (432, 119665), (455, 113616), (468, 110460), (504, 102570), (520, 99414), (526, 98280), (540, 95732), (546, 94680), (560, 92313), (585, 88368), (624, 82845), (630, 82056), (702, 73640), (720, 71799), (728, 71010), (756, 68380), (780, 66276), (789, 65520), (819, 63120), (840, 61542), (910, 56808), (936, 55230), (945, 54704), (1008, 51285), (1040, 49707), (1052, 49140), (1080, 47866), (1092, 47340), (1170, 44184), (1260, 41028), (1315, 39312), (1365, 37872), (1404, 36820), (1456, 35505), (1512, 34190), (1560, 33138), (1578, 32760), (1638, 31560), (1680, 30771), (1755, 29456), (1820, 28404), (1841, 28080), (1872, 27615), (1890, 27352), (2104, 24570), (2160, 23933), (2184, 23670), (2340, 22092), (2367, 21840), (2457, 21040), (2520, 20514), (2630, 19656), (2730, 18936), (2808, 18410), (3024, 17095), (3120, 16569), (3156, 16380), (3276, 15780), (3419, 15120), (3510, 14728), (3640, 14202), (3682, 14040), (3780, 13676), (3945, 13104), (4095, 12624), (4208, 12285), (4368, 11835), (4680, 11046), (4734, 10920), (4914, 10520), (5040, 10257), (5260, 9828), (5460, 9468), (5523, 9360), (5616, 9205), (6312, 8190), (6552, 7890), (6838, 7560), (7020, 7364), (7101, 7280)]