31959760

素因数分解:

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

素因数の和:321

約数の個数: 120

約数和(自身を含む): 89565696

約数和(自身を除く): 57605936

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, 392, 434, 490, 496, 526, 560, 620, 784, 868, 980, 1052, 1085, 1240, 1315, 1519, 1736, 1841, 1960, 2104, 2170, 2480, 2630, 3038, 3472, 3682, 3920, 4208, 4340, 5260, 6076, 7364, 7595, 8153, 8680, 9205, 10520, 12152, 12887, 14728, 15190, 16306, 17360, 18410, 21040, 24304, 25774, 29456, 30380, 32612, 36820, 40765, 51548, 57071, 60760, 64435, 65224, 73640, 81530, 103096, 114142, 121520, 128870, 130448, 147280, 163060, 206192, 228284, 257740, 285355, 326120, 399497, 456568, 515480, 570710, 652240, 798994, 913136, 1030960, 1141420, 1597988, 1997485, 2282840, 3195976, 3994970, 4565680, 6391952, 7989940, 15979880, 31959760]

約数ペア:

[(1, 31959760), (2, 15979880), (4, 7989940), (5, 6391952), (7, 4565680), (8, 3994970), (10, 3195976), (14, 2282840), (16, 1997485), (20, 1597988), (28, 1141420), (31, 1030960), (35, 913136), (40, 798994), (49, 652240), (56, 570710), (62, 515480), (70, 456568), (80, 399497), (98, 326120), (112, 285355), (124, 257740), (140, 228284), (155, 206192), (196, 163060), (217, 147280), (245, 130448), (248, 128870), (263, 121520), (280, 114142), (310, 103096), (392, 81530), (434, 73640), (490, 65224), (496, 64435), (526, 60760), (560, 57071), (620, 51548), (784, 40765), (868, 36820), (980, 32612), (1052, 30380), (1085, 29456), (1240, 25774), (1315, 24304), (1519, 21040), (1736, 18410), (1841, 17360), (1960, 16306), (2104, 15190), (2170, 14728), (2480, 12887), (2630, 12152), (3038, 10520), (3472, 9205), (3682, 8680), (3920, 8153), (4208, 7595), (4340, 7364), (5260, 6076)]