15935580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 48676992

約数和(自身を除く): 32741412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 397, 446, 669, 794, 892, 1115, 1191, 1338, 1588, 1985, 2007, 2230, 2382, 2676, 3345, 3573, 3970, 4014, 4460, 4764, 5955, 6690, 7146, 7940, 8028, 10035, 11910, 13380, 14292, 17865, 20070, 23820, 35730, 40140, 71460, 88531, 177062, 265593, 354124, 442655, 531186, 796779, 885310, 1062372, 1327965, 1593558, 1770620, 2655930, 3187116, 3983895, 5311860, 7967790, 15935580]

約数ペア:

[(1, 15935580), (2, 7967790), (3, 5311860), (4, 3983895), (5, 3187116), (6, 2655930), (9, 1770620), (10, 1593558), (12, 1327965), (15, 1062372), (18, 885310), (20, 796779), (30, 531186), (36, 442655), (45, 354124), (60, 265593), (90, 177062), (180, 88531), (223, 71460), (397, 40140), (446, 35730), (669, 23820), (794, 20070), (892, 17865), (1115, 14292), (1191, 13380), (1338, 11910), (1588, 10035), (1985, 8028), (2007, 7940), (2230, 7146), (2382, 6690), (2676, 5955), (3345, 4764), (3573, 4460), (3970, 4014)]