280870980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{360091}}^1$

素因数の和:360116

約数の個数: 48

約数和(自身を含む): 846936384

約数和(自身を除く): 566065404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 360091, 720182, 1080273, 1440364, 1800455, 2160546, 3600910, 4321092, 4681183, 5401365, 7201820, 9362366, 10802730, 14043549, 18724732, 21605460, 23405915, 28087098, 46811830, 56174196, 70217745, 93623660, 140435490, 280870980]

約数ペア:

[(1, 280870980), (2, 140435490), (3, 93623660), (4, 70217745), (5, 56174196), (6, 46811830), (10, 28087098), (12, 23405915), (13, 21605460), (15, 18724732), (20, 14043549), (26, 10802730), (30, 9362366), (39, 7201820), (52, 5401365), (60, 4681183), (65, 4321092), (78, 3600910), (130, 2160546), (156, 1800455), (195, 1440364), (260, 1080273), (390, 720182), (780, 360091)]