209489760

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:778

約数の個数: 192

約数和(自身を含む): 744629760

約数和(自身を除く): 535140000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 96, 108, 120, 135, 142, 144, 160, 180, 213, 216, 240, 270, 284, 288, 355, 360, 426, 432, 480, 540, 568, 639, 683, 710, 720, 852, 864, 1065, 1080, 1136, 1278, 1366, 1420, 1440, 1704, 1917, 2049, 2130, 2160, 2272, 2556, 2732, 2840, 3195, 3408, 3415, 3834, 4098, 4260, 4320, 5112, 5464, 5680, 6147, 6390, 6816, 6830, 7668, 8196, 8520, 9585, 10224, 10245, 10928, 11360, 12294, 12780, 13660, 15336, 16392, 17040, 18441, 19170, 20448, 20490, 21856, 24588, 25560, 27320, 30672, 30735, 32784, 34080, 36882, 38340, 40980, 48493, 49176, 51120, 54640, 61344, 61470, 65568, 73764, 76680, 81960, 92205, 96986, 98352, 102240, 109280, 122940, 145479, 147528, 153360, 163920, 184410, 193972, 196704, 242465, 245880, 290958, 295056, 306720, 327840, 368820, 387944, 436437, 484930, 491760, 581916, 590112, 727395, 737640, 775888, 872874, 969860, 983520, 1163832, 1309311, 1454790, 1475280, 1551776, 1745748, 1939720, 2182185, 2327664, 2618622, 2909580, 2950560, 3491496, 3879440, 4364370, 4655328, 5237244, 5819160, 6546555, 6982992, 7758880, 8728740, 10474488, 11638320, 13093110, 13965984, 17457480, 20948976, 23276640, 26186220, 34914960, 41897952, 52372440, 69829920, 104744880, 209489760]

約数ペア:

[(1, 209489760), (2, 104744880), (3, 69829920), (4, 52372440), (5, 41897952), (6, 34914960), (8, 26186220), (9, 23276640), (10, 20948976), (12, 17457480), (15, 13965984), (16, 13093110), (18, 11638320), (20, 10474488), (24, 8728740), (27, 7758880), (30, 6982992), (32, 6546555), (36, 5819160), (40, 5237244), (45, 4655328), (48, 4364370), (54, 3879440), (60, 3491496), (71, 2950560), (72, 2909580), (80, 2618622), (90, 2327664), (96, 2182185), (108, 1939720), (120, 1745748), (135, 1551776), (142, 1475280), (144, 1454790), (160, 1309311), (180, 1163832), (213, 983520), (216, 969860), (240, 872874), (270, 775888), (284, 737640), (288, 727395), (355, 590112), (360, 581916), (426, 491760), (432, 484930), (480, 436437), (540, 387944), (568, 368820), (639, 327840), (683, 306720), (710, 295056), (720, 290958), (852, 245880), (864, 242465), (1065, 196704), (1080, 193972), (1136, 184410), (1278, 163920), (1366, 153360), (1420, 147528), (1440, 145479), (1704, 122940), (1917, 109280), (2049, 102240), (2130, 98352), (2160, 96986), (2272, 92205), (2556, 81960), (2732, 76680), (2840, 73764), (3195, 65568), (3408, 61470), (3415, 61344), (3834, 54640), (4098, 51120), (4260, 49176), (4320, 48493), (5112, 40980), (5464, 38340), (5680, 36882), (6147, 34080), (6390, 32784), (6816, 30735), (6830, 30672), (7668, 27320), (8196, 25560), (8520, 24588), (9585, 21856), (10224, 20490), (10245, 20448), (10928, 19170), (11360, 18441), (12294, 17040), (12780, 16392), (13660, 15336)]