15225420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{36251}}^1$

素因数の和:36270

約数の個数: 48

約数和(自身を含む): 48722688

約数和(自身を除く): 33497268

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, 36251, 72502, 108753, 145004, 181255, 217506, 253757, 362510, 435012, 507514, 543765, 725020, 761271, 1015028, 1087530, 1268785, 1522542, 2175060, 2537570, 3045084, 3806355, 5075140, 7612710, 15225420]

約数ペア:

[(1, 15225420), (2, 7612710), (3, 5075140), (4, 3806355), (5, 3045084), (6, 2537570), (7, 2175060), (10, 1522542), (12, 1268785), (14, 1087530), (15, 1015028), (20, 761271), (21, 725020), (28, 543765), (30, 507514), (35, 435012), (42, 362510), (60, 253757), (70, 217506), (84, 181255), (105, 145004), (140, 108753), (210, 72502), (420, 36251)]