204775020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{277}}^1$

素因数の和:369

約数の個数: 144

約数和(自身を含む): 657125280

約数和(自身を除く): 452350260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 277, 333, 370, 444, 540, 554, 555, 666, 740, 831, 999, 1108, 1110, 1332, 1369, 1385, 1662, 1665, 1998, 2220, 2493, 2738, 2770, 3324, 3330, 3996, 4107, 4155, 4986, 4995, 5476, 5540, 6660, 6845, 7479, 8214, 8310, 9972, 9990, 10249, 12321, 12465, 13690, 14958, 16428, 16620, 19980, 20498, 20535, 24642, 24930, 27380, 29916, 30747, 36963, 37395, 40996, 41070, 49284, 49860, 51245, 61494, 61605, 73926, 74790, 82140, 92241, 102490, 122988, 123210, 147852, 149580, 153735, 184482, 184815, 204980, 246420, 276723, 307470, 368964, 369630, 379213, 461205, 553446, 614940, 739260, 758426, 922410, 1106892, 1137639, 1383615, 1516852, 1844820, 1896065, 2275278, 2767230, 3412917, 3792130, 4550556, 5534460, 5688195, 6825834, 7584260, 10238751, 11376390, 13651668, 17064585, 20477502, 22752780, 34129170, 40955004, 51193755, 68258340, 102387510, 204775020]

約数ペア:

[(1, 204775020), (2, 102387510), (3, 68258340), (4, 51193755), (5, 40955004), (6, 34129170), (9, 22752780), (10, 20477502), (12, 17064585), (15, 13651668), (18, 11376390), (20, 10238751), (27, 7584260), (30, 6825834), (36, 5688195), (37, 5534460), (45, 4550556), (54, 3792130), (60, 3412917), (74, 2767230), (90, 2275278), (108, 1896065), (111, 1844820), (135, 1516852), (148, 1383615), (180, 1137639), (185, 1106892), (222, 922410), (270, 758426), (277, 739260), (333, 614940), (370, 553446), (444, 461205), (540, 379213), (554, 369630), (555, 368964), (666, 307470), (740, 276723), (831, 246420), (999, 204980), (1108, 184815), (1110, 184482), (1332, 153735), (1369, 149580), (1385, 147852), (1662, 123210), (1665, 122988), (1998, 102490), (2220, 92241), (2493, 82140), (2738, 74790), (2770, 73926), (3324, 61605), (3330, 61494), (3996, 51245), (4107, 49860), (4155, 49284), (4986, 41070), (4995, 40996), (5476, 37395), (5540, 36963), (6660, 30747), (6845, 29916), (7479, 27380), (8214, 24930), (8310, 24642), (9972, 20535), (9990, 20498), (10249, 19980), (12321, 16620), (12465, 16428), (13690, 14958)]