15678077940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{593}}^1\times {\mathrm{20983}}^1$

素因数の和:21598

約数の個数: 144

約数和(自身を含む): 54444918528

約数和(自身を除く): 38766840588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 593, 630, 1186, 1260, 1779, 2372, 2965, 3558, 4151, 5337, 5930, 7116, 8302, 8895, 10674, 11860, 12453, 16604, 17790, 20755, 20983, 21348, 24906, 26685, 35580, 37359, 41510, 41966, 49812, 53370, 62265, 62949, 74718, 83020, 83932, 104915, 106740, 124530, 125898, 146881, 149436, 186795, 188847, 209830, 249060, 251796, 293762, 314745, 373590, 377694, 419660, 440643, 587524, 629490, 734405, 747180, 755388, 881286, 944235, 1258980, 1321929, 1468810, 1762572, 1888470, 2203215, 2643858, 2937620, 3776940, 4406430, 5287716, 6609645, 8812860, 12442919, 13219290, 24885838, 26438580, 37328757, 49771676, 62214595, 74657514, 87100433, 111986271, 124429190, 149315028, 174200866, 186643785, 223972542, 248858380, 261301299, 348401732, 373287570, 435502165, 447945084, 522602598, 559931355, 746575140, 783903897, 871004330, 1045205196, 1119862710, 1306506495, 1567807794, 1742008660, 2239725420, 2613012990, 3135615588, 3919519485, 5226025980, 7839038970, 15678077940]

約数ペア:

[(1, 15678077940), (2, 7839038970), (3, 5226025980), (4, 3919519485), (5, 3135615588), (6, 2613012990), (7, 2239725420), (9, 1742008660), (10, 1567807794), (12, 1306506495), (14, 1119862710), (15, 1045205196), (18, 871004330), (20, 783903897), (21, 746575140), (28, 559931355), (30, 522602598), (35, 447945084), (36, 435502165), (42, 373287570), (45, 348401732), (60, 261301299), (63, 248858380), (70, 223972542), (84, 186643785), (90, 174200866), (105, 149315028), (126, 124429190), (140, 111986271), (180, 87100433), (210, 74657514), (252, 62214595), (315, 49771676), (420, 37328757), (593, 26438580), (630, 24885838), (1186, 13219290), (1260, 12442919), (1779, 8812860), (2372, 6609645), (2965, 5287716), (3558, 4406430), (4151, 3776940), (5337, 2937620), (5930, 2643858), (7116, 2203215), (8302, 1888470), (8895, 1762572), (10674, 1468810), (11860, 1321929), (12453, 1258980), (16604, 944235), (17790, 881286), (20755, 755388), (20983, 747180), (21348, 734405), (24906, 629490), (26685, 587524), (35580, 440643), (37359, 419660), (41510, 377694), (41966, 373590), (49812, 314745), (53370, 293762), (62265, 251796), (62949, 249060), (74718, 209830), (83020, 188847), (83932, 186795), (104915, 149436), (106740, 146881), (124530, 125898)]