15432940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 36136800

約数和(自身を除く): 20703860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 2389, 3230, 4778, 6460, 9556, 11945, 23890, 40613, 45391, 47780, 81226, 90782, 162452, 181564, 203065, 226955, 406130, 453910, 771647, 812260, 907820, 1543294, 3086588, 3858235, 7716470, 15432940]

約数ペア:

[(1, 15432940), (2, 7716470), (4, 3858235), (5, 3086588), (10, 1543294), (17, 907820), (19, 812260), (20, 771647), (34, 453910), (38, 406130), (68, 226955), (76, 203065), (85, 181564), (95, 162452), (170, 90782), (190, 81226), (323, 47780), (340, 45391), (380, 40613), (646, 23890), (1292, 11945), (1615, 9556), (2389, 6460), (3230, 4778)]