170521960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{241}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 472996260

約数和(自身を除く): 302474300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 241, 245, 266, 280, 361, 380, 392, 482, 490, 532, 665, 722, 760, 931, 964, 980, 1064, 1205, 1330, 1444, 1687, 1805, 1862, 1928, 1960, 2410, 2527, 2660, 2888, 3374, 3610, 3724, 4579, 4655, 4820, 5054, 5320, 6748, 7220, 7448, 8435, 9158, 9310, 9640, 10108, 11809, 12635, 13496, 14440, 16870, 17689, 18316, 18620, 20216, 22895, 23618, 25270, 32053, 33740, 35378, 36632, 37240, 45790, 47236, 50540, 59045, 64106, 67480, 70756, 87001, 88445, 91580, 94472, 101080, 118090, 128212, 141512, 160265, 174002, 176890, 183160, 224371, 236180, 256424, 320530, 348004, 353780, 435005, 448742, 472360, 609007, 641060, 696008, 707560, 870010, 897484, 1121855, 1218014, 1282120, 1740020, 1794968, 2243710, 2436028, 3045035, 3480040, 4263049, 4487420, 4872056, 6090070, 8526098, 8974840, 12180140, 17052196, 21315245, 24360280, 34104392, 42630490, 85260980, 170521960]

約数ペア:

[(1, 170521960), (2, 85260980), (4, 42630490), (5, 34104392), (7, 24360280), (8, 21315245), (10, 17052196), (14, 12180140), (19, 8974840), (20, 8526098), (28, 6090070), (35, 4872056), (38, 4487420), (40, 4263049), (49, 3480040), (56, 3045035), (70, 2436028), (76, 2243710), (95, 1794968), (98, 1740020), (133, 1282120), (140, 1218014), (152, 1121855), (190, 897484), (196, 870010), (241, 707560), (245, 696008), (266, 641060), (280, 609007), (361, 472360), (380, 448742), (392, 435005), (482, 353780), (490, 348004), (532, 320530), (665, 256424), (722, 236180), (760, 224371), (931, 183160), (964, 176890), (980, 174002), (1064, 160265), (1205, 141512), (1330, 128212), (1444, 118090), (1687, 101080), (1805, 94472), (1862, 91580), (1928, 88445), (1960, 87001), (2410, 70756), (2527, 67480), (2660, 64106), (2888, 59045), (3374, 50540), (3610, 47236), (3724, 45790), (4579, 37240), (4655, 36632), (4820, 35378), (5054, 33740), (5320, 32053), (6748, 25270), (7220, 23618), (7448, 22895), (8435, 20216), (9158, 18620), (9310, 18316), (9640, 17689), (10108, 16870), (11809, 14440), (12635, 13496)]