15168140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 34588512

約数和(自身を除く): 19420372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 257, 260, 454, 514, 908, 1028, 1135, 1285, 2270, 2570, 2951, 3341, 4540, 5140, 5902, 6682, 11804, 13364, 14755, 16705, 29510, 33410, 58339, 59020, 66820, 116678, 233356, 291695, 583390, 758407, 1166780, 1516814, 3033628, 3792035, 7584070, 15168140]

約数ペア:

[(1, 15168140), (2, 7584070), (4, 3792035), (5, 3033628), (10, 1516814), (13, 1166780), (20, 758407), (26, 583390), (52, 291695), (65, 233356), (130, 116678), (227, 66820), (257, 59020), (260, 58339), (454, 33410), (514, 29510), (908, 16705), (1028, 14755), (1135, 13364), (1285, 11804), (2270, 6682), (2570, 5902), (2951, 5140), (3341, 4540)]