171449840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 414616320

約数和(自身を除く): 243166480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 257, 269, 310, 496, 514, 538, 620, 1028, 1076, 1240, 1285, 1345, 2056, 2152, 2480, 2570, 2690, 4112, 4304, 5140, 5380, 7967, 8339, 10280, 10760, 15934, 16678, 20560, 21520, 31868, 33356, 39835, 41695, 63736, 66712, 69133, 79670, 83390, 127472, 133424, 138266, 159340, 166780, 276532, 318680, 333560, 345665, 553064, 637360, 667120, 691330, 1106128, 1382660, 2143123, 2765320, 4286246, 5530640, 8572492, 10715615, 17144984, 21431230, 34289968, 42862460, 85724920, 171449840]

約数ペア:

[(1, 171449840), (2, 85724920), (4, 42862460), (5, 34289968), (8, 21431230), (10, 17144984), (16, 10715615), (20, 8572492), (31, 5530640), (40, 4286246), (62, 2765320), (80, 2143123), (124, 1382660), (155, 1106128), (248, 691330), (257, 667120), (269, 637360), (310, 553064), (496, 345665), (514, 333560), (538, 318680), (620, 276532), (1028, 166780), (1076, 159340), (1240, 138266), (1285, 133424), (1345, 127472), (2056, 83390), (2152, 79670), (2480, 69133), (2570, 66712), (2690, 63736), (4112, 41695), (4304, 39835), (5140, 33356), (5380, 31868), (7967, 21520), (8339, 20560), (10280, 16678), (10760, 15934)]