223718320

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:328

約数の個数: 160

約数和(自身を含む): 628531200

約数和(自身を除く): 404812880

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, 196, 217, 245, 248, 263, 280, 310, 343, 392, 434, 490, 496, 526, 560, 620, 686, 784, 868, 980, 1052, 1085, 1240, 1315, 1372, 1519, 1715, 1736, 1841, 1960, 2104, 2170, 2480, 2630, 2744, 3038, 3430, 3472, 3682, 3920, 4208, 4340, 5260, 5488, 6076, 6860, 7364, 7595, 8153, 8680, 9205, 10520, 10633, 12152, 12887, 13720, 14728, 15190, 16306, 17360, 18410, 21040, 21266, 24304, 25774, 27440, 29456, 30380, 32612, 36820, 40765, 42532, 51548, 53165, 57071, 60760, 64435, 65224, 73640, 81530, 85064, 90209, 103096, 106330, 114142, 121520, 128870, 130448, 147280, 163060, 170128, 180418, 206192, 212660, 228284, 257740, 285355, 326120, 360836, 399497, 425320, 451045, 456568, 515480, 570710, 652240, 721672, 798994, 850640, 902090, 913136, 1030960, 1141420, 1443344, 1597988, 1804180, 1997485, 2282840, 2796479, 3195976, 3608360, 3994970, 4565680, 5592958, 6391952, 7216720, 7989940, 11185916, 13982395, 15979880, 22371832, 27964790, 31959760, 44743664, 55929580, 111859160, 223718320]

約数ペア:

[(1, 223718320), (2, 111859160), (4, 55929580), (5, 44743664), (7, 31959760), (8, 27964790), (10, 22371832), (14, 15979880), (16, 13982395), (20, 11185916), (28, 7989940), (31, 7216720), (35, 6391952), (40, 5592958), (49, 4565680), (56, 3994970), (62, 3608360), (70, 3195976), (80, 2796479), (98, 2282840), (112, 1997485), (124, 1804180), (140, 1597988), (155, 1443344), (196, 1141420), (217, 1030960), (245, 913136), (248, 902090), (263, 850640), (280, 798994), (310, 721672), (343, 652240), (392, 570710), (434, 515480), (490, 456568), (496, 451045), (526, 425320), (560, 399497), (620, 360836), (686, 326120), (784, 285355), (868, 257740), (980, 228284), (1052, 212660), (1085, 206192), (1240, 180418), (1315, 170128), (1372, 163060), (1519, 147280), (1715, 130448), (1736, 128870), (1841, 121520), (1960, 114142), (2104, 106330), (2170, 103096), (2480, 90209), (2630, 85064), (2744, 81530), (3038, 73640), (3430, 65224), (3472, 64435), (3682, 60760), (3920, 57071), (4208, 53165), (4340, 51548), (5260, 42532), (5488, 40765), (6076, 36820), (6860, 32612), (7364, 30380), (7595, 29456), (8153, 27440), (8680, 25774), (9205, 24304), (10520, 21266), (10633, 21040), (12152, 18410), (12887, 17360), (13720, 16306), (14728, 15190)]