71451660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170123}}^1$

素因数の和:170142

約数の個数: 48

約数和(自身を含む): 228646656

約数和(自身を除く): 157194996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 170123, 340246, 510369, 680492, 850615, 1020738, 1190861, 1701230, 2041476, 2381722, 2551845, 3402460, 3572583, 4763444, 5103690, 5954305, 7145166, 10207380, 11908610, 14290332, 17862915, 23817220, 35725830, 71451660]

約数ペア:

[(1, 71451660), (2, 35725830), (3, 23817220), (4, 17862915), (5, 14290332), (6, 11908610), (7, 10207380), (10, 7145166), (12, 5954305), (14, 5103690), (15, 4763444), (20, 3572583), (21, 3402460), (28, 2551845), (30, 2381722), (35, 2041476), (42, 1701230), (60, 1190861), (70, 1020738), (84, 850615), (105, 680492), (140, 510369), (210, 340246), (420, 170123)]