15020240

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{983}}^1$

素因数の和:1187

約数の個数: 40

約数和(自身を含む): 35140608

約数和(自身を除く): 20120368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 983, 1528, 1910, 1966, 3056, 3820, 3932, 4915, 7640, 7864, 9830, 15280, 15728, 19660, 39320, 78640, 187753, 375506, 751012, 938765, 1502024, 1877530, 3004048, 3755060, 7510120, 15020240]

約数ペア:

[(1, 15020240), (2, 7510120), (4, 3755060), (5, 3004048), (8, 1877530), (10, 1502024), (16, 938765), (20, 751012), (40, 375506), (80, 187753), (191, 78640), (382, 39320), (764, 19660), (955, 15728), (983, 15280), (1528, 9830), (1910, 7864), (1966, 7640), (3056, 4915), (3820, 3932)]