15207640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{7759}}^1$

素因数の和:7784

約数の個数: 48

約数和(自身を含む): 39808800

約数和(自身を除く): 24601160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 7759, 15518, 31036, 38795, 54313, 62072, 77590, 108626, 155180, 217252, 271565, 310360, 380191, 434504, 543130, 760382, 1086260, 1520764, 1900955, 2172520, 3041528, 3801910, 7603820, 15207640]

約数ペア:

[(1, 15207640), (2, 7603820), (4, 3801910), (5, 3041528), (7, 2172520), (8, 1900955), (10, 1520764), (14, 1086260), (20, 760382), (28, 543130), (35, 434504), (40, 380191), (49, 310360), (56, 271565), (70, 217252), (98, 155180), (140, 108626), (196, 77590), (245, 62072), (280, 54313), (392, 38795), (490, 31036), (980, 15518), (1960, 7759)]