15516900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{821}}^1$

素因数の和:851

約数の個数: 144

約数和(自身を含む): 57079680

約数和(自身を除く): 41562780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 821, 900, 945, 1050, 1260, 1350, 1575, 1642, 1890, 2100, 2463, 2700, 3150, 3284, 3780, 4105, 4725, 4926, 5747, 6300, 7389, 8210, 9450, 9852, 11494, 12315, 14778, 16420, 17241, 18900, 20525, 22167, 22988, 24630, 28735, 29556, 34482, 36945, 41050, 44334, 49260, 51723, 57470, 61575, 68964, 73890, 82100, 86205, 88668, 103446, 110835, 114940, 123150, 143675, 147780, 155169, 172410, 184725, 206892, 221670, 246300, 258615, 287350, 310338, 344820, 369450, 431025, 443340, 517230, 554175, 574700, 620676, 738900, 775845, 862050, 1034460, 1108350, 1293075, 1551690, 1724100, 2216700, 2586150, 3103380, 3879225, 5172300, 7758450, 15516900]

約数ペア:

[(1, 15516900), (2, 7758450), (3, 5172300), (4, 3879225), (5, 3103380), (6, 2586150), (7, 2216700), (9, 1724100), (10, 1551690), (12, 1293075), (14, 1108350), (15, 1034460), (18, 862050), (20, 775845), (21, 738900), (25, 620676), (27, 574700), (28, 554175), (30, 517230), (35, 443340), (36, 431025), (42, 369450), (45, 344820), (50, 310338), (54, 287350), (60, 258615), (63, 246300), (70, 221670), (75, 206892), (84, 184725), (90, 172410), (100, 155169), (105, 147780), (108, 143675), (126, 123150), (135, 114940), (140, 110835), (150, 103446), (175, 88668), (180, 86205), (189, 82100), (210, 73890), (225, 68964), (252, 61575), (270, 57470), (300, 51723), (315, 49260), (350, 44334), (378, 41050), (420, 36945), (450, 34482), (525, 29556), (540, 28735), (630, 24630), (675, 22988), (700, 22167), (756, 20525), (821, 18900), (900, 17241), (945, 16420), (1050, 14778), (1260, 12315), (1350, 11494), (1575, 9852), (1642, 9450), (1890, 8210), (2100, 7389), (2463, 6300), (2700, 5747), (3150, 4926), (3284, 4725), (3780, 4105)]