642446064

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{26399}}^1$

素因数の和:26439

約数の個数: 90

約数和(自身を含む): 1946973600

約数和(自身を除く): 1304527536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 936, 1014, 1352, 1521, 1872, 2028, 2704, 3042, 4056, 6084, 8112, 12168, 24336, 26399, 52798, 79197, 105596, 158394, 211192, 237591, 316788, 343187, 422384, 475182, 633576, 686374, 950364, 1029561, 1267152, 1372748, 1900728, 2059122, 2745496, 3088683, 3801456, 4118244, 4461431, 5490992, 6177366, 8236488, 8922862, 12354732, 13384293, 16472976, 17845724, 24709464, 26768586, 35691448, 40152879, 49418928, 53537172, 71382896, 80305758, 107074344, 160611516, 214148688, 321223032, 642446064]

約数ペア:

[(1, 642446064), (2, 321223032), (3, 214148688), (4, 160611516), (6, 107074344), (8, 80305758), (9, 71382896), (12, 53537172), (13, 49418928), (16, 40152879), (18, 35691448), (24, 26768586), (26, 24709464), (36, 17845724), (39, 16472976), (48, 13384293), (52, 12354732), (72, 8922862), (78, 8236488), (104, 6177366), (117, 5490992), (144, 4461431), (156, 4118244), (169, 3801456), (208, 3088683), (234, 2745496), (312, 2059122), (338, 1900728), (468, 1372748), (507, 1267152), (624, 1029561), (676, 950364), (936, 686374), (1014, 633576), (1352, 475182), (1521, 422384), (1872, 343187), (2028, 316788), (2704, 237591), (3042, 211192), (4056, 158394), (6084, 105596), (8112, 79197), (12168, 52798), (24336, 26399)]