1520408890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2267}}^1$

素因数の和:2372

約数の個数: 128

約数和(自身を含む): 3730987008

約数和(自身を除く): 2210578118

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 67, 70, 77, 91, 110, 130, 134, 143, 154, 182, 286, 335, 385, 455, 469, 670, 715, 737, 770, 871, 910, 938, 1001, 1430, 1474, 1742, 2002, 2267, 2345, 3685, 4355, 4534, 4690, 5005, 5159, 6097, 7370, 8710, 9581, 10010, 10318, 11335, 12194, 15869, 19162, 22670, 24937, 25795, 29471, 30485, 31738, 47905, 49874, 51590, 58942, 60970, 67067, 79345, 95810, 124685, 134134, 147355, 151889, 158690, 174559, 206297, 249370, 294710, 303778, 324181, 335335, 349118, 412594, 648362, 670670, 759445, 872795, 1031485, 1063223, 1518890, 1620905, 1670779, 1745590, 1974557, 2062970, 2126446, 2269267, 3241810, 3341558, 3949114, 4538534, 5316115, 8353895, 9872785, 10632230, 11346335, 11695453, 13821899, 16707790, 19745570, 21720127, 22692670, 23390906, 27643798, 43440254, 58477265, 69109495, 108600635, 116954530, 138218990, 152040889, 217201270, 304081778, 760204445, 1520408890]

約数ペア:

[(1, 1520408890), (2, 760204445), (5, 304081778), (7, 217201270), (10, 152040889), (11, 138218990), (13, 116954530), (14, 108600635), (22, 69109495), (26, 58477265), (35, 43440254), (55, 27643798), (65, 23390906), (67, 22692670), (70, 21720127), (77, 19745570), (91, 16707790), (110, 13821899), (130, 11695453), (134, 11346335), (143, 10632230), (154, 9872785), (182, 8353895), (286, 5316115), (335, 4538534), (385, 3949114), (455, 3341558), (469, 3241810), (670, 2269267), (715, 2126446), (737, 2062970), (770, 1974557), (871, 1745590), (910, 1670779), (938, 1620905), (1001, 1518890), (1430, 1063223), (1474, 1031485), (1742, 872795), (2002, 759445), (2267, 670670), (2345, 648362), (3685, 412594), (4355, 349118), (4534, 335335), (4690, 324181), (5005, 303778), (5159, 294710), (6097, 249370), (7370, 206297), (8710, 174559), (9581, 158690), (10010, 151889), (10318, 147355), (11335, 134134), (12194, 124685), (15869, 95810), (19162, 79345), (22670, 67067), (24937, 60970), (25795, 58942), (29471, 51590), (30485, 49874), (31738, 47905)]