164173520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 160

約数和(自身を含む): 461875200

約数和(自身を除く): 297701680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 193, 196, 217, 245, 248, 280, 310, 343, 386, 392, 434, 490, 496, 560, 620, 686, 772, 784, 868, 965, 980, 1085, 1240, 1351, 1372, 1519, 1544, 1715, 1736, 1930, 1960, 2170, 2480, 2702, 2744, 3038, 3088, 3430, 3472, 3860, 3920, 4340, 5404, 5488, 5983, 6076, 6755, 6860, 7595, 7720, 8680, 9457, 10633, 10808, 11966, 12152, 13510, 13720, 15190, 15440, 17360, 18914, 21266, 21616, 23932, 24304, 27020, 27440, 29915, 30380, 37828, 41881, 42532, 47285, 47864, 53165, 54040, 59830, 60760, 66199, 75656, 83762, 85064, 94570, 95728, 106330, 108080, 119660, 121520, 132398, 151312, 167524, 170128, 189140, 209405, 212660, 239320, 264796, 293167, 330995, 335048, 378280, 418810, 425320, 478640, 529592, 586334, 661990, 670096, 756560, 837620, 850640, 1059184, 1172668, 1323980, 1465835, 1675240, 2052169, 2345336, 2647960, 2931670, 3350480, 4104338, 4690672, 5295920, 5863340, 8208676, 10260845, 11726680, 16417352, 20521690, 23453360, 32834704, 41043380, 82086760, 164173520]

約数ペア:

[(1, 164173520), (2, 82086760), (4, 41043380), (5, 32834704), (7, 23453360), (8, 20521690), (10, 16417352), (14, 11726680), (16, 10260845), (20, 8208676), (28, 5863340), (31, 5295920), (35, 4690672), (40, 4104338), (49, 3350480), (56, 2931670), (62, 2647960), (70, 2345336), (80, 2052169), (98, 1675240), (112, 1465835), (124, 1323980), (140, 1172668), (155, 1059184), (193, 850640), (196, 837620), (217, 756560), (245, 670096), (248, 661990), (280, 586334), (310, 529592), (343, 478640), (386, 425320), (392, 418810), (434, 378280), (490, 335048), (496, 330995), (560, 293167), (620, 264796), (686, 239320), (772, 212660), (784, 209405), (868, 189140), (965, 170128), (980, 167524), (1085, 151312), (1240, 132398), (1351, 121520), (1372, 119660), (1519, 108080), (1544, 106330), (1715, 95728), (1736, 94570), (1930, 85064), (1960, 83762), (2170, 75656), (2480, 66199), (2702, 60760), (2744, 59830), (3038, 54040), (3088, 53165), (3430, 47864), (3472, 47285), (3860, 42532), (3920, 41881), (4340, 37828), (5404, 30380), (5488, 29915), (5983, 27440), (6076, 27020), (6755, 24304), (6860, 23932), (7595, 21616), (7720, 21266), (8680, 18914), (9457, 17360), (10633, 15440), (10808, 15190), (11966, 13720), (12152, 13510)]