1275987440

素因数分解:

$2^4\times 5^1\times 7^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 240

約数和(自身を含む): 3778383168

約数和(自身を除く): 2502395728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 73, 80, 91, 98, 104, 112, 130, 140, 146, 182, 196, 208, 245, 260, 280, 292, 343, 364, 365, 392, 455, 490, 511, 520, 560, 584, 637, 686, 728, 730, 784, 910, 949, 980, 1022, 1040, 1168, 1274, 1372, 1456, 1460, 1715, 1820, 1898, 1960, 2044, 2401, 2548, 2555, 2744, 2920, 3185, 3430, 3577, 3640, 3796, 3920, 4088, 4459, 4745, 4802, 5096, 5110, 5488, 5840, 6370, 6643, 6860, 7154, 7280, 7592, 8176, 8918, 9490, 9604, 10192, 10220, 12005, 12740, 13286, 13720, 14308, 15184, 16807, 17836, 17885, 18980, 19208, 20440, 22295, 24010, 25039, 25480, 26572, 27440, 28616, 31213, 33215, 33614, 35672, 35770, 37960, 38416, 40880, 44590, 46501, 48020, 50078, 50960, 53144, 57232, 62426, 66430, 67228, 71344, 71540, 75920, 84035, 89180, 93002, 96040, 100156, 106288, 124852, 125195, 132860, 134456, 143080, 156065, 168070, 175273, 178360, 186004, 192080, 200312, 218491, 232505, 249704, 250390, 265720, 268912, 286160, 312130, 325507, 336140, 350546, 356720, 372008, 400624, 436982, 465010, 499408, 500780, 531440, 624260, 651014, 672280, 701092, 744016, 873964, 876365, 930020, 1001560, 1092455, 1226911, 1248520, 1302028, 1344560, 1402184, 1627535, 1747928, 1752730, 1860040, 2003120, 2184910, 2278549, 2453822, 2497040, 2604056, 2804368, 3255070, 3495856, 3505460, 3720080, 4369820, 4557098, 4907644, 5208112, 6134555, 6510140, 7010920, 8739640, 9114196, 9815288, 11392745, 12269110, 13020280, 14021840, 15949843, 17479280, 18228392, 19630576, 22785490, 24538220, 26040560, 31899686, 36456784, 45570980, 49076440, 63799372, 79749215, 91141960, 98152880, 127598744, 159498430, 182283920, 255197488, 318996860, 637993720, 1275987440]

約数ペア:

[(1, 1275987440), (2, 637993720), (4, 318996860), (5, 255197488), (7, 182283920), (8, 159498430), (10, 127598744), (13, 98152880), (14, 91141960), (16, 79749215), (20, 63799372), (26, 49076440), (28, 45570980), (35, 36456784), (40, 31899686), (49, 26040560), (52, 24538220), (56, 22785490), (65, 19630576), (70, 18228392), (73, 17479280), (80, 15949843), (91, 14021840), (98, 13020280), (104, 12269110), (112, 11392745), (130, 9815288), (140, 9114196), (146, 8739640), (182, 7010920), (196, 6510140), (208, 6134555), (245, 5208112), (260, 4907644), (280, 4557098), (292, 4369820), (343, 3720080), (364, 3505460), (365, 3495856), (392, 3255070), (455, 2804368), (490, 2604056), (511, 2497040), (520, 2453822), (560, 2278549), (584, 2184910), (637, 2003120), (686, 1860040), (728, 1752730), (730, 1747928), (784, 1627535), (910, 1402184), (949, 1344560), (980, 1302028), (1022, 1248520), (1040, 1226911), (1168, 1092455), (1274, 1001560), (1372, 930020), (1456, 876365), (1460, 873964), (1715, 744016), (1820, 701092), (1898, 672280), (1960, 651014), (2044, 624260), (2401, 531440), (2548, 500780), (2555, 499408), (2744, 465010), (2920, 436982), (3185, 400624), (3430, 372008), (3577, 356720), (3640, 350546), (3796, 336140), (3920, 325507), (4088, 312130), (4459, 286160), (4745, 268912), (4802, 265720), (5096, 250390), (5110, 249704), (5488, 232505), (5840, 218491), (6370, 200312), (6643, 192080), (6860, 186004), (7154, 178360), (7280, 175273), (7592, 168070), (8176, 156065), (8918, 143080), (9490, 134456), (9604, 132860), (10192, 125195), (10220, 124852), (12005, 106288), (12740, 100156), (13286, 96040), (13720, 93002), (14308, 89180), (15184, 84035), (16807, 75920), (17836, 71540), (17885, 71344), (18980, 67228), (19208, 66430), (20440, 62426), (22295, 57232), (24010, 53144), (25039, 50960), (25480, 50078), (26572, 48020), (27440, 46501), (28616, 44590), (31213, 40880), (33215, 38416), (33614, 37960), (35672, 35770)]