71140920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 231517440

約数和(自身を除く): 160376520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 510, 516, 645, 680, 731, 811, 860, 1020, 1032, 1290, 1462, 1622, 1720, 2040, 2193, 2433, 2580, 2924, 3244, 3655, 4055, 4386, 4866, 5160, 5848, 6488, 7310, 8110, 8772, 9732, 10965, 12165, 13787, 14620, 16220, 17544, 19464, 21930, 24330, 27574, 29240, 32440, 34873, 41361, 43860, 48660, 55148, 68935, 69746, 82722, 87720, 97320, 104619, 110296, 137870, 139492, 165444, 174365, 206805, 209238, 275740, 278984, 330888, 348730, 413610, 418476, 523095, 551480, 592841, 697460, 827220, 836952, 1046190, 1185682, 1394920, 1654440, 1778523, 2092380, 2371364, 2964205, 3557046, 4184760, 4742728, 5928410, 7114092, 8892615, 11856820, 14228184, 17785230, 23713640, 35570460, 71140920]

約数ペア:

[(1, 71140920), (2, 35570460), (3, 23713640), (4, 17785230), (5, 14228184), (6, 11856820), (8, 8892615), (10, 7114092), (12, 5928410), (15, 4742728), (17, 4184760), (20, 3557046), (24, 2964205), (30, 2371364), (34, 2092380), (40, 1778523), (43, 1654440), (51, 1394920), (60, 1185682), (68, 1046190), (85, 836952), (86, 827220), (102, 697460), (120, 592841), (129, 551480), (136, 523095), (170, 418476), (172, 413610), (204, 348730), (215, 330888), (255, 278984), (258, 275740), (340, 209238), (344, 206805), (408, 174365), (430, 165444), (510, 139492), (516, 137870), (645, 110296), (680, 104619), (731, 97320), (811, 87720), (860, 82722), (1020, 69746), (1032, 68935), (1290, 55148), (1462, 48660), (1622, 43860), (1720, 41361), (2040, 34873), (2193, 32440), (2433, 29240), (2580, 27574), (2924, 24330), (3244, 21930), (3655, 19464), (4055, 17544), (4386, 16220), (4866, 14620), (5160, 13787), (5848, 12165), (6488, 10965), (7310, 9732), (8110, 8772)]