15243220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 34292160

約数和(自身を除く): 19048940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 419, 428, 535, 838, 1070, 1676, 1819, 2095, 2140, 3638, 4190, 7123, 7276, 8380, 9095, 14246, 18190, 28492, 35615, 36380, 44833, 71230, 89666, 142460, 179332, 224165, 448330, 762161, 896660, 1524322, 3048644, 3810805, 7621610, 15243220]

約数ペア:

[(1, 15243220), (2, 7621610), (4, 3810805), (5, 3048644), (10, 1524322), (17, 896660), (20, 762161), (34, 448330), (68, 224165), (85, 179332), (107, 142460), (170, 89666), (214, 71230), (340, 44833), (419, 36380), (428, 35615), (535, 28492), (838, 18190), (1070, 14246), (1676, 9095), (1819, 8380), (2095, 7276), (2140, 7123), (3638, 4190)]