71411580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{643}}^1$

素因数の和:1275

約数の個数: 72

約数和(自身を含む): 217303632

約数和(自身を除く): 145892052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 617, 643, 1234, 1286, 1851, 1929, 2468, 2572, 3085, 3215, 3702, 3858, 5553, 5787, 6170, 6430, 7404, 7716, 9255, 9645, 11106, 11574, 12340, 12860, 18510, 19290, 22212, 23148, 27765, 28935, 37020, 38580, 55530, 57870, 111060, 115740, 396731, 793462, 1190193, 1586924, 1983655, 2380386, 3570579, 3967310, 4760772, 5950965, 7141158, 7934620, 11901930, 14282316, 17852895, 23803860, 35705790, 71411580]

約数ペア:

[(1, 71411580), (2, 35705790), (3, 23803860), (4, 17852895), (5, 14282316), (6, 11901930), (9, 7934620), (10, 7141158), (12, 5950965), (15, 4760772), (18, 3967310), (20, 3570579), (30, 2380386), (36, 1983655), (45, 1586924), (60, 1190193), (90, 793462), (180, 396731), (617, 115740), (643, 111060), (1234, 57870), (1286, 55530), (1851, 38580), (1929, 37020), (2468, 28935), (2572, 27765), (3085, 23148), (3215, 22212), (3702, 19290), (3858, 18510), (5553, 12860), (5787, 12340), (6170, 11574), (6430, 11106), (7404, 9645), (7716, 9255)]