2017321280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15643}}^1$

素因数の和:15704

約数の個数: 112

約数和(自身を含む): 5340486144

約数和(自身を除く): 3323164864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 6448, 8060, 9920, 12896, 15643, 16120, 25792, 31286, 32240, 62572, 64480, 78215, 125144, 128960, 156430, 203359, 250288, 312860, 406718, 484933, 500576, 625720, 813436, 969866, 1001152, 1016795, 1251440, 1626872, 1939732, 2033590, 2424665, 2502880, 3253744, 3879464, 4067180, 4849330, 5005760, 6304129, 6507488, 7758928, 8134360, 9698660, 12608258, 13014976, 15517856, 16268720, 19397320, 25216516, 31035712, 31520645, 32537440, 38794640, 50433032, 63041290, 65074880, 77589280, 100866064, 126082580, 155178560, 201732128, 252165160, 403464256, 504330320, 1008660640, 2017321280]

約数ペア:

[(1, 2017321280), (2, 1008660640), (4, 504330320), (5, 403464256), (8, 252165160), (10, 201732128), (13, 155178560), (16, 126082580), (20, 100866064), (26, 77589280), (31, 65074880), (32, 63041290), (40, 50433032), (52, 38794640), (62, 32537440), (64, 31520645), (65, 31035712), (80, 25216516), (104, 19397320), (124, 16268720), (130, 15517856), (155, 13014976), (160, 12608258), (208, 9698660), (248, 8134360), (260, 7758928), (310, 6507488), (320, 6304129), (403, 5005760), (416, 4849330), (496, 4067180), (520, 3879464), (620, 3253744), (806, 2502880), (832, 2424665), (992, 2033590), (1040, 1939732), (1240, 1626872), (1612, 1251440), (1984, 1016795), (2015, 1001152), (2080, 969866), (2480, 813436), (3224, 625720), (4030, 500576), (4160, 484933), (4960, 406718), (6448, 312860), (8060, 250288), (9920, 203359), (12896, 156430), (15643, 128960), (16120, 125144), (25792, 78215), (31286, 64480), (32240, 62572)]