260648640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{1847}}^1$

素因数の和:1884

約数の個数: 252

約数和(自身を含む): 1043458416

約数和(自身を除く): 782809776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1847, 1960, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3694, 3920, 4032, 4410, 4704, 5040, 5541, 5880, 6720, 7056, 7388, 7840, 8820, 9235, 9408, 10080, 11082, 11760, 12929, 14112, 14776, 15680, 16623, 17640, 18470, 20160, 22164, 23520, 25858, 27705, 28224, 29552, 33246, 35280, 36940, 38787, 44328, 47040, 51716, 55410, 59104, 64645, 66492, 70560, 73880, 77574, 83115, 88656, 90503, 103432, 110820, 116361, 118208, 129290, 132984, 141120, 147760, 155148, 166230, 177312, 181006, 193935, 206864, 221640, 232722, 258580, 265968, 271509, 295520, 310296, 332460, 354624, 362012, 387870, 413728, 443280, 452515, 465444, 517160, 531936, 543018, 581805, 591040, 620592, 664920, 724024, 775740, 814527, 827456, 886560, 905030, 930888, 1034320, 1063872, 1086036, 1163610, 1241184, 1329840, 1357545, 1448048, 1551480, 1629054, 1773120, 1810060, 1861776, 2068640, 2172072, 2327220, 2482368, 2659680, 2715090, 2896096, 3102960, 3258108, 3620120, 3723552, 4072635, 4137280, 4344144, 4654440, 5319360, 5430180, 5792192, 6205920, 6516216, 7240240, 7447104, 8145270, 8688288, 9308880, 10860360, 12411840, 13032432, 14480480, 16290540, 17376576, 18617760, 21720720, 26064864, 28960960, 32581080, 37235520, 43441440, 52129728, 65162160, 86882880, 130324320, 260648640]

約数ペア:

[(1, 260648640), (2, 130324320), (3, 86882880), (4, 65162160), (5, 52129728), (6, 43441440), (7, 37235520), (8, 32581080), (9, 28960960), (10, 26064864), (12, 21720720), (14, 18617760), (15, 17376576), (16, 16290540), (18, 14480480), (20, 13032432), (21, 12411840), (24, 10860360), (28, 9308880), (30, 8688288), (32, 8145270), (35, 7447104), (36, 7240240), (40, 6516216), (42, 6205920), (45, 5792192), (48, 5430180), (49, 5319360), (56, 4654440), (60, 4344144), (63, 4137280), (64, 4072635), (70, 3723552), (72, 3620120), (80, 3258108), (84, 3102960), (90, 2896096), (96, 2715090), (98, 2659680), (105, 2482368), (112, 2327220), (120, 2172072), (126, 2068640), (140, 1861776), (144, 1810060), (147, 1773120), (160, 1629054), (168, 1551480), (180, 1448048), (192, 1357545), (196, 1329840), (210, 1241184), (224, 1163610), (240, 1086036), (245, 1063872), (252, 1034320), (280, 930888), (288, 905030), (294, 886560), (315, 827456), (320, 814527), (336, 775740), (360, 724024), (392, 664920), (420, 620592), (441, 591040), (448, 581805), (480, 543018), (490, 531936), (504, 517160), (560, 465444), (576, 452515), (588, 443280), (630, 413728), (672, 387870), (720, 362012), (735, 354624), (784, 332460), (840, 310296), (882, 295520), (960, 271509), (980, 265968), (1008, 258580), (1120, 232722), (1176, 221640), (1260, 206864), (1344, 193935), (1440, 181006), (1470, 177312), (1568, 166230), (1680, 155148), (1764, 147760), (1847, 141120), (1960, 132984), (2016, 129290), (2205, 118208), (2240, 116361), (2352, 110820), (2520, 103432), (2880, 90503), (2940, 88656), (3136, 83115), (3360, 77574), (3528, 73880), (3694, 70560), (3920, 66492), (4032, 64645), (4410, 59104), (4704, 55410), (5040, 51716), (5541, 47040), (5880, 44328), (6720, 38787), (7056, 36940), (7388, 35280), (7840, 33246), (8820, 29552), (9235, 28224), (9408, 27705), (10080, 25858), (11082, 23520), (11760, 22164), (12929, 20160), (14112, 18470), (14776, 17640), (15680, 16623)]