1818580920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1\times {\mathrm{1231}}^1$

素因数の和:2205

約数の個数: 128

約数和(自身を含む): 5886397440

約数和(自身を除く): 4067816520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 947, 1231, 1560, 1894, 2462, 2841, 3693, 3788, 4735, 4924, 5682, 6155, 7386, 7576, 9470, 9848, 11364, 12310, 12311, 14205, 14772, 16003, 18465, 18940, 22728, 24620, 24622, 28410, 29544, 32006, 36930, 36933, 37880, 48009, 49240, 49244, 56820, 61555, 64012, 73860, 73866, 80015, 96018, 98488, 113640, 123110, 128024, 147720, 147732, 160030, 184665, 192036, 240045, 246220, 295464, 320060, 369330, 384072, 480090, 492440, 640120, 738660, 960180, 1165757, 1477320, 1920360, 2331514, 3497271, 4663028, 5828785, 6994542, 9326056, 11657570, 13989084, 15154841, 17486355, 23315140, 27978168, 30309682, 34972710, 45464523, 46630280, 60619364, 69945420, 75774205, 90929046, 121238728, 139890840, 151548410, 181858092, 227322615, 303096820, 363716184, 454645230, 606193640, 909290460, 1818580920]

約数ペア:

[(1, 1818580920), (2, 909290460), (3, 606193640), (4, 454645230), (5, 363716184), (6, 303096820), (8, 227322615), (10, 181858092), (12, 151548410), (13, 139890840), (15, 121238728), (20, 90929046), (24, 75774205), (26, 69945420), (30, 60619364), (39, 46630280), (40, 45464523), (52, 34972710), (60, 30309682), (65, 27978168), (78, 23315140), (104, 17486355), (120, 15154841), (130, 13989084), (156, 11657570), (195, 9326056), (260, 6994542), (312, 5828785), (390, 4663028), (520, 3497271), (780, 2331514), (947, 1920360), (1231, 1477320), (1560, 1165757), (1894, 960180), (2462, 738660), (2841, 640120), (3693, 492440), (3788, 480090), (4735, 384072), (4924, 369330), (5682, 320060), (6155, 295464), (7386, 246220), (7576, 240045), (9470, 192036), (9848, 184665), (11364, 160030), (12310, 147732), (12311, 147720), (14205, 128024), (14772, 123110), (16003, 113640), (18465, 98488), (18940, 96018), (22728, 80015), (24620, 73866), (24622, 73860), (28410, 64012), (29544, 61555), (32006, 56820), (36930, 49244), (36933, 49240), (37880, 48009)]