205205400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 729194400

約数和(自身を除く): 523989000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 53, 54, 60, 72, 75, 81, 90, 100, 106, 108, 120, 135, 150, 159, 162, 180, 200, 212, 216, 225, 239, 265, 270, 300, 318, 324, 360, 405, 424, 450, 477, 478, 530, 540, 600, 636, 648, 675, 717, 795, 810, 900, 954, 956, 1060, 1080, 1195, 1272, 1325, 1350, 1431, 1434, 1590, 1620, 1800, 1908, 1912, 2025, 2120, 2151, 2385, 2390, 2650, 2700, 2862, 2868, 3180, 3240, 3585, 3816, 3975, 4050, 4293, 4302, 4770, 4780, 5300, 5400, 5724, 5736, 5975, 6360, 6453, 7155, 7170, 7950, 8100, 8586, 8604, 9540, 9560, 10600, 10755, 11448, 11925, 11950, 12667, 12906, 14310, 14340, 15900, 16200, 17172, 17208, 17925, 19080, 19359, 21465, 21510, 23850, 23900, 25334, 25812, 28620, 28680, 31800, 32265, 34344, 35775, 35850, 38001, 38718, 42930, 43020, 47700, 47800, 50668, 51624, 53775, 57240, 63335, 64530, 71550, 71700, 76002, 77436, 85860, 86040, 95400, 96795, 101336, 107325, 107550, 114003, 126670, 129060, 143100, 143400, 152004, 154872, 161325, 171720, 190005, 193590, 214650, 215100, 228006, 253340, 258120, 286200, 304008, 316675, 322650, 342009, 380010, 387180, 429300, 430200, 456012, 483975, 506680, 570015, 633350, 645300, 684018, 760020, 774360, 858600, 912024, 950025, 967950, 1026027, 1140030, 1266700, 1290600, 1368036, 1520040, 1710045, 1900050, 1935900, 2052054, 2280060, 2533400, 2736072, 2850075, 3420090, 3800100, 3871800, 4104108, 4560120, 5130135, 5700150, 6840180, 7600200, 8208216, 8550225, 10260270, 11400300, 13680360, 17100450, 20520540, 22800600, 25650675, 34200900, 41041080, 51301350, 68401800, 102602700, 205205400]

約数ペア:

[(1, 205205400), (2, 102602700), (3, 68401800), (4, 51301350), (5, 41041080), (6, 34200900), (8, 25650675), (9, 22800600), (10, 20520540), (12, 17100450), (15, 13680360), (18, 11400300), (20, 10260270), (24, 8550225), (25, 8208216), (27, 7600200), (30, 6840180), (36, 5700150), (40, 5130135), (45, 4560120), (50, 4104108), (53, 3871800), (54, 3800100), (60, 3420090), (72, 2850075), (75, 2736072), (81, 2533400), (90, 2280060), (100, 2052054), (106, 1935900), (108, 1900050), (120, 1710045), (135, 1520040), (150, 1368036), (159, 1290600), (162, 1266700), (180, 1140030), (200, 1026027), (212, 967950), (216, 950025), (225, 912024), (239, 858600), (265, 774360), (270, 760020), (300, 684018), (318, 645300), (324, 633350), (360, 570015), (405, 506680), (424, 483975), (450, 456012), (477, 430200), (478, 429300), (530, 387180), (540, 380010), (600, 342009), (636, 322650), (648, 316675), (675, 304008), (717, 286200), (795, 258120), (810, 253340), (900, 228006), (954, 215100), (956, 214650), (1060, 193590), (1080, 190005), (1195, 171720), (1272, 161325), (1325, 154872), (1350, 152004), (1431, 143400), (1434, 143100), (1590, 129060), (1620, 126670), (1800, 114003), (1908, 107550), (1912, 107325), (2025, 101336), (2120, 96795), (2151, 95400), (2385, 86040), (2390, 85860), (2650, 77436), (2700, 76002), (2862, 71700), (2868, 71550), (3180, 64530), (3240, 63335), (3585, 57240), (3816, 53775), (3975, 51624), (4050, 50668), (4293, 47800), (4302, 47700), (4770, 43020), (4780, 42930), (5300, 38718), (5400, 38001), (5724, 35850), (5736, 35775), (5975, 34344), (6360, 32265), (6453, 31800), (7155, 28680), (7170, 28620), (7950, 25812), (8100, 25334), (8586, 23900), (8604, 23850), (9540, 21510), (9560, 21465), (10600, 19359), (10755, 19080), (11448, 17925), (11925, 17208), (11950, 17172), (12667, 16200), (12906, 15900), (14310, 14340)]