668707260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1297}}^1$

素因数の和:1983

約数の個数: 96

約数和(自身を含む): 2021017152

約数和(自身を除く): 1352309892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 661, 780, 1297, 1322, 1983, 2594, 2644, 3305, 3891, 3966, 5188, 6485, 6610, 7782, 7932, 8593, 9915, 12970, 13220, 15564, 16861, 17186, 19455, 19830, 25779, 25940, 33722, 34372, 38910, 39660, 42965, 50583, 51558, 67444, 77820, 84305, 85930, 101166, 103116, 128895, 168610, 171860, 202332, 252915, 257790, 337220, 505830, 515580, 857317, 1011660, 1714634, 2571951, 3429268, 4286585, 5143902, 8573170, 10287804, 11145121, 12859755, 17146340, 22290242, 25719510, 33435363, 44580484, 51439020, 55725605, 66870726, 111451210, 133741452, 167176815, 222902420, 334353630, 668707260]

約数ペア:

[(1, 668707260), (2, 334353630), (3, 222902420), (4, 167176815), (5, 133741452), (6, 111451210), (10, 66870726), (12, 55725605), (13, 51439020), (15, 44580484), (20, 33435363), (26, 25719510), (30, 22290242), (39, 17146340), (52, 12859755), (60, 11145121), (65, 10287804), (78, 8573170), (130, 5143902), (156, 4286585), (195, 3429268), (260, 2571951), (390, 1714634), (661, 1011660), (780, 857317), (1297, 515580), (1322, 505830), (1983, 337220), (2594, 257790), (2644, 252915), (3305, 202332), (3891, 171860), (3966, 168610), (5188, 128895), (6485, 103116), (6610, 101166), (7782, 85930), (7932, 84305), (8593, 77820), (9915, 67444), (12970, 51558), (13220, 50583), (15564, 42965), (16861, 39660), (17186, 38910), (19455, 34372), (19830, 33722), (25779, 25940)]