1209931520

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:327

約数の個数: 216

約数和(自身を含む): 3422539008

約数和(自身を除く): 2212607488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 101, 112, 128, 140, 160, 191, 196, 202, 224, 245, 256, 280, 320, 382, 392, 404, 448, 490, 505, 560, 640, 707, 764, 784, 808, 896, 955, 980, 1010, 1120, 1280, 1337, 1414, 1528, 1568, 1616, 1792, 1910, 1960, 2020, 2240, 2674, 2828, 3056, 3136, 3232, 3535, 3820, 3920, 4040, 4480, 4949, 5348, 5656, 6112, 6272, 6464, 6685, 7070, 7640, 7840, 8080, 8960, 9359, 9898, 10696, 11312, 12224, 12544, 12928, 13370, 14140, 15280, 15680, 16160, 18718, 19291, 19796, 21392, 22624, 24448, 24745, 25856, 26740, 28280, 30560, 31360, 32320, 37436, 38582, 39592, 42784, 45248, 46795, 48896, 49490, 53480, 56560, 61120, 62720, 64640, 74872, 77164, 79184, 85568, 90496, 93590, 96455, 98980, 106960, 113120, 122240, 129280, 135037, 149744, 154328, 158368, 171136, 180992, 187180, 192910, 197960, 213920, 226240, 244480, 270074, 299488, 308656, 316736, 342272, 374360, 385820, 395920, 427840, 452480, 540148, 598976, 617312, 633472, 675185, 748720, 771640, 791840, 855680, 904960, 945259, 1080296, 1197952, 1234624, 1266944, 1350370, 1497440, 1543280, 1583680, 1711360, 1890518, 2160592, 2395904, 2469248, 2700740, 2994880, 3086560, 3167360, 3781036, 4321184, 4726295, 4938496, 5401480, 5989760, 6173120, 6334720, 7562072, 8642368, 9452590, 10802960, 11979520, 12346240, 15124144, 17284736, 18905180, 21605920, 24692480, 30248288, 34569472, 37810360, 43211840, 60496576, 75620720, 86423680, 120993152, 151241440, 172847360, 241986304, 302482880, 604965760, 1209931520]

約数ペア:

[(1, 1209931520), (2, 604965760), (4, 302482880), (5, 241986304), (7, 172847360), (8, 151241440), (10, 120993152), (14, 86423680), (16, 75620720), (20, 60496576), (28, 43211840), (32, 37810360), (35, 34569472), (40, 30248288), (49, 24692480), (56, 21605920), (64, 18905180), (70, 17284736), (80, 15124144), (98, 12346240), (101, 11979520), (112, 10802960), (128, 9452590), (140, 8642368), (160, 7562072), (191, 6334720), (196, 6173120), (202, 5989760), (224, 5401480), (245, 4938496), (256, 4726295), (280, 4321184), (320, 3781036), (382, 3167360), (392, 3086560), (404, 2994880), (448, 2700740), (490, 2469248), (505, 2395904), (560, 2160592), (640, 1890518), (707, 1711360), (764, 1583680), (784, 1543280), (808, 1497440), (896, 1350370), (955, 1266944), (980, 1234624), (1010, 1197952), (1120, 1080296), (1280, 945259), (1337, 904960), (1414, 855680), (1528, 791840), (1568, 771640), (1616, 748720), (1792, 675185), (1910, 633472), (1960, 617312), (2020, 598976), (2240, 540148), (2674, 452480), (2828, 427840), (3056, 395920), (3136, 385820), (3232, 374360), (3535, 342272), (3820, 316736), (3920, 308656), (4040, 299488), (4480, 270074), (4949, 244480), (5348, 226240), (5656, 213920), (6112, 197960), (6272, 192910), (6464, 187180), (6685, 180992), (7070, 171136), (7640, 158368), (7840, 154328), (8080, 149744), (8960, 135037), (9359, 129280), (9898, 122240), (10696, 113120), (11312, 106960), (12224, 98980), (12544, 96455), (12928, 93590), (13370, 90496), (14140, 85568), (15280, 79184), (15680, 77164), (16160, 74872), (18718, 64640), (19291, 62720), (19796, 61120), (21392, 56560), (22624, 53480), (24448, 49490), (24745, 48896), (25856, 46795), (26740, 45248), (28280, 42784), (30560, 39592), (31360, 38582), (32320, 37436)]