126178640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1780

約数の個数: 80

約数和(自身を含む): 337895040

約数和(自身を除く): 211716400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1390, 1621, 1946, 2224, 2780, 3242, 3892, 4865, 5560, 6484, 7784, 8105, 9730, 11120, 11347, 12968, 15568, 16210, 19460, 22694, 25936, 32420, 38920, 45388, 56735, 64840, 77840, 90776, 113470, 129680, 181552, 225319, 226940, 450638, 453880, 901276, 907760, 1126595, 1577233, 1802552, 2253190, 3154466, 3605104, 4506380, 6308932, 7886165, 9012760, 12617864, 15772330, 18025520, 25235728, 31544660, 63089320, 126178640]

約数ペア:

[(1, 126178640), (2, 63089320), (4, 31544660), (5, 25235728), (7, 18025520), (8, 15772330), (10, 12617864), (14, 9012760), (16, 7886165), (20, 6308932), (28, 4506380), (35, 3605104), (40, 3154466), (56, 2253190), (70, 1802552), (80, 1577233), (112, 1126595), (139, 907760), (140, 901276), (278, 453880), (280, 450638), (556, 226940), (560, 225319), (695, 181552), (973, 129680), (1112, 113470), (1390, 90776), (1621, 77840), (1946, 64840), (2224, 56735), (2780, 45388), (3242, 38920), (3892, 32420), (4865, 25936), (5560, 22694), (6484, 19460), (7784, 16210), (8105, 15568), (9730, 12968), (11120, 11347)]