1656026680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 256

約数和(自身を含む): 4917749760

約数和(自身を除く): 3261723080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 97, 110, 115, 140, 154, 161, 184, 194, 220, 230, 241, 253, 280, 308, 322, 385, 388, 440, 460, 482, 485, 506, 616, 644, 679, 770, 776, 805, 920, 964, 970, 1012, 1067, 1205, 1265, 1288, 1358, 1540, 1610, 1687, 1771, 1928, 1940, 2024, 2134, 2231, 2410, 2530, 2651, 2716, 3080, 3220, 3374, 3395, 3542, 3880, 4268, 4462, 4820, 5060, 5302, 5335, 5432, 5543, 6440, 6748, 6790, 7084, 7469, 8435, 8536, 8855, 8924, 9640, 10120, 10604, 10670, 11086, 11155, 13255, 13496, 13580, 14168, 14938, 15617, 16870, 17710, 17848, 18557, 21208, 21340, 22172, 22310, 23377, 24541, 26510, 27160, 27715, 29876, 31234, 33740, 35420, 37114, 37345, 38801, 42680, 44344, 44620, 46754, 49082, 53020, 55430, 59752, 60973, 62468, 67480, 70840, 74228, 74690, 77602, 78085, 89240, 92785, 93508, 98164, 106040, 110860, 116885, 121946, 122705, 124936, 148456, 149380, 155204, 156170, 163639, 171787, 185570, 187016, 194005, 196328, 221720, 233770, 243892, 245410, 257147, 298760, 304865, 310408, 312340, 327278, 343574, 371140, 388010, 426811, 467540, 487784, 490820, 514294, 537671, 609730, 624680, 654556, 687148, 742280, 776020, 818195, 853622, 858935, 935080, 981640, 1028588, 1075342, 1219460, 1285735, 1309112, 1374296, 1552040, 1636390, 1707244, 1717870, 1800029, 2057176, 2134055, 2150684, 2438920, 2571470, 2688355, 3272780, 3414488, 3435740, 3600058, 3763697, 4268110, 4301368, 5142940, 5376710, 5914381, 6545560, 6871480, 7200116, 7527394, 8536220, 9000145, 10285880, 10753420, 11828762, 14400232, 15054788, 17072440, 18000290, 18818485, 21506840, 23657524, 29571905, 30109576, 36000580, 37636970, 41400667, 47315048, 59143810, 72001160, 75273940, 82801334, 118287620, 150547880, 165602668, 207003335, 236575240, 331205336, 414006670, 828013340, 1656026680]

約数ペア:

[(1, 1656026680), (2, 828013340), (4, 414006670), (5, 331205336), (7, 236575240), (8, 207003335), (10, 165602668), (11, 150547880), (14, 118287620), (20, 82801334), (22, 75273940), (23, 72001160), (28, 59143810), (35, 47315048), (40, 41400667), (44, 37636970), (46, 36000580), (55, 30109576), (56, 29571905), (70, 23657524), (77, 21506840), (88, 18818485), (92, 18000290), (97, 17072440), (110, 15054788), (115, 14400232), (140, 11828762), (154, 10753420), (161, 10285880), (184, 9000145), (194, 8536220), (220, 7527394), (230, 7200116), (241, 6871480), (253, 6545560), (280, 5914381), (308, 5376710), (322, 5142940), (385, 4301368), (388, 4268110), (440, 3763697), (460, 3600058), (482, 3435740), (485, 3414488), (506, 3272780), (616, 2688355), (644, 2571470), (679, 2438920), (770, 2150684), (776, 2134055), (805, 2057176), (920, 1800029), (964, 1717870), (970, 1707244), (1012, 1636390), (1067, 1552040), (1205, 1374296), (1265, 1309112), (1288, 1285735), (1358, 1219460), (1540, 1075342), (1610, 1028588), (1687, 981640), (1771, 935080), (1928, 858935), (1940, 853622), (2024, 818195), (2134, 776020), (2231, 742280), (2410, 687148), (2530, 654556), (2651, 624680), (2716, 609730), (3080, 537671), (3220, 514294), (3374, 490820), (3395, 487784), (3542, 467540), (3880, 426811), (4268, 388010), (4462, 371140), (4820, 343574), (5060, 327278), (5302, 312340), (5335, 310408), (5432, 304865), (5543, 298760), (6440, 257147), (6748, 245410), (6790, 243892), (7084, 233770), (7469, 221720), (8435, 196328), (8536, 194005), (8855, 187016), (8924, 185570), (9640, 171787), (10120, 163639), (10604, 156170), (10670, 155204), (11086, 149380), (11155, 148456), (13255, 124936), (13496, 122705), (13580, 121946), (14168, 116885), (14938, 110860), (15617, 106040), (16870, 98164), (17710, 93508), (17848, 92785), (18557, 89240), (21208, 78085), (21340, 77602), (22172, 74690), (22310, 74228), (23377, 70840), (24541, 67480), (26510, 62468), (27160, 60973), (27715, 59752), (29876, 55430), (31234, 53020), (33740, 49082), (35420, 46754), (37114, 44620), (37345, 44344), (38801, 42680)]