31810680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:334

約数の個数: 192

約数和(自身を含む): 117093600

約数和(自身を除く): 85282920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 55, 58, 60, 66, 72, 87, 88, 90, 99, 110, 116, 120, 132, 145, 165, 174, 180, 198, 220, 232, 261, 264, 277, 290, 319, 330, 348, 360, 396, 435, 440, 495, 522, 554, 580, 638, 660, 696, 792, 831, 870, 957, 990, 1044, 1108, 1160, 1276, 1305, 1320, 1385, 1595, 1662, 1740, 1914, 1980, 2088, 2216, 2493, 2552, 2610, 2770, 2871, 3047, 3190, 3324, 3480, 3828, 3960, 4155, 4785, 4986, 5220, 5540, 5742, 6094, 6380, 6648, 7656, 8033, 8310, 9141, 9570, 9972, 10440, 11080, 11484, 12188, 12465, 12760, 14355, 15235, 16066, 16620, 18282, 19140, 19944, 22968, 24099, 24376, 24930, 27423, 28710, 30470, 32132, 33240, 36564, 38280, 40165, 45705, 48198, 49860, 54846, 57420, 60940, 64264, 72297, 73128, 80330, 88363, 91410, 96396, 99720, 109692, 114840, 120495, 121880, 137115, 144594, 160660, 176726, 182820, 192792, 219384, 240990, 265089, 274230, 289188, 321320, 353452, 361485, 365640, 441815, 481980, 530178, 548460, 578376, 706904, 722970, 795267, 883630, 963960, 1060356, 1096920, 1325445, 1445940, 1590534, 1767260, 2120712, 2650890, 2891880, 3181068, 3534520, 3976335, 5301780, 6362136, 7952670, 10603560, 15905340, 31810680]

約数ペア:

[(1, 31810680), (2, 15905340), (3, 10603560), (4, 7952670), (5, 6362136), (6, 5301780), (8, 3976335), (9, 3534520), (10, 3181068), (11, 2891880), (12, 2650890), (15, 2120712), (18, 1767260), (20, 1590534), (22, 1445940), (24, 1325445), (29, 1096920), (30, 1060356), (33, 963960), (36, 883630), (40, 795267), (44, 722970), (45, 706904), (55, 578376), (58, 548460), (60, 530178), (66, 481980), (72, 441815), (87, 365640), (88, 361485), (90, 353452), (99, 321320), (110, 289188), (116, 274230), (120, 265089), (132, 240990), (145, 219384), (165, 192792), (174, 182820), (180, 176726), (198, 160660), (220, 144594), (232, 137115), (261, 121880), (264, 120495), (277, 114840), (290, 109692), (319, 99720), (330, 96396), (348, 91410), (360, 88363), (396, 80330), (435, 73128), (440, 72297), (495, 64264), (522, 60940), (554, 57420), (580, 54846), (638, 49860), (660, 48198), (696, 45705), (792, 40165), (831, 38280), (870, 36564), (957, 33240), (990, 32132), (1044, 30470), (1108, 28710), (1160, 27423), (1276, 24930), (1305, 24376), (1320, 24099), (1385, 22968), (1595, 19944), (1662, 19140), (1740, 18282), (1914, 16620), (1980, 16066), (2088, 15235), (2216, 14355), (2493, 12760), (2552, 12465), (2610, 12188), (2770, 11484), (2871, 11080), (3047, 10440), (3190, 9972), (3324, 9570), (3480, 9141), (3828, 8310), (3960, 8033), (4155, 7656), (4785, 6648), (4986, 6380), (5220, 6094), (5540, 5742)]