191515520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 552562560

約数和(自身を除く): 361047040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 197, 217, 224, 245, 248, 280, 310, 320, 392, 394, 434, 448, 490, 496, 560, 620, 640, 784, 788, 868, 896, 980, 985, 992, 1085, 1120, 1240, 1379, 1519, 1568, 1576, 1736, 1960, 1970, 1984, 2170, 2240, 2480, 2758, 3038, 3136, 3152, 3472, 3920, 3940, 3968, 4340, 4480, 4960, 5516, 6076, 6107, 6272, 6304, 6895, 6944, 7595, 7840, 7880, 8680, 9653, 9920, 11032, 12152, 12214, 12608, 13790, 13888, 15190, 15680, 15760, 17360, 19306, 19840, 22064, 24304, 24428, 25216, 27580, 27776, 30380, 30535, 31360, 31520, 34720, 38612, 42749, 44128, 48265, 48608, 48856, 55160, 60760, 61070, 63040, 69440, 77224, 85498, 88256, 96530, 97216, 97712, 110320, 121520, 122140, 126080, 138880, 154448, 170996, 176512, 193060, 194432, 195424, 213745, 220640, 243040, 244280, 299243, 308896, 341992, 386120, 390848, 427490, 441280, 486080, 488560, 598486, 617792, 683984, 772240, 781696, 854980, 882560, 972160, 977120, 1196972, 1235584, 1367968, 1496215, 1544480, 1709960, 1954240, 2393944, 2735936, 2992430, 3088960, 3419920, 3908480, 4787888, 5471872, 5984860, 6177920, 6839840, 9575776, 11969720, 13679680, 19151552, 23939440, 27359360, 38303104, 47878880, 95757760, 191515520]

約数ペア:

[(1, 191515520), (2, 95757760), (4, 47878880), (5, 38303104), (7, 27359360), (8, 23939440), (10, 19151552), (14, 13679680), (16, 11969720), (20, 9575776), (28, 6839840), (31, 6177920), (32, 5984860), (35, 5471872), (40, 4787888), (49, 3908480), (56, 3419920), (62, 3088960), (64, 2992430), (70, 2735936), (80, 2393944), (98, 1954240), (112, 1709960), (124, 1544480), (128, 1496215), (140, 1367968), (155, 1235584), (160, 1196972), (196, 977120), (197, 972160), (217, 882560), (224, 854980), (245, 781696), (248, 772240), (280, 683984), (310, 617792), (320, 598486), (392, 488560), (394, 486080), (434, 441280), (448, 427490), (490, 390848), (496, 386120), (560, 341992), (620, 308896), (640, 299243), (784, 244280), (788, 243040), (868, 220640), (896, 213745), (980, 195424), (985, 194432), (992, 193060), (1085, 176512), (1120, 170996), (1240, 154448), (1379, 138880), (1519, 126080), (1568, 122140), (1576, 121520), (1736, 110320), (1960, 97712), (1970, 97216), (1984, 96530), (2170, 88256), (2240, 85498), (2480, 77224), (2758, 69440), (3038, 63040), (3136, 61070), (3152, 60760), (3472, 55160), (3920, 48856), (3940, 48608), (3968, 48265), (4340, 44128), (4480, 42749), (4960, 38612), (5516, 34720), (6076, 31520), (6107, 31360), (6272, 30535), (6304, 30380), (6895, 27776), (6944, 27580), (7595, 25216), (7840, 24428), (7880, 24304), (8680, 22064), (9653, 19840), (9920, 19306), (11032, 17360), (12152, 15760), (12214, 15680), (12608, 15190), (13790, 13888)]