49095540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20981}}^1$

素因数の和:21009

約数の個数: 72

約数和(自身を含む): 160386408

約数和(自身を除く): 111290868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 20981, 41962, 62943, 83924, 104905, 125886, 188829, 209810, 251772, 272753, 314715, 377658, 419620, 545506, 629430, 755316, 818259, 944145, 1091012, 1258860, 1363765, 1636518, 1888290, 2454777, 2727530, 3273036, 3776580, 4091295, 4909554, 5455060, 8182590, 9819108, 12273885, 16365180, 24547770, 49095540]

約数ペア:

[(1, 49095540), (2, 24547770), (3, 16365180), (4, 12273885), (5, 9819108), (6, 8182590), (9, 5455060), (10, 4909554), (12, 4091295), (13, 3776580), (15, 3273036), (18, 2727530), (20, 2454777), (26, 1888290), (30, 1636518), (36, 1363765), (39, 1258860), (45, 1091012), (52, 944145), (60, 818259), (65, 755316), (78, 629430), (90, 545506), (117, 419620), (130, 377658), (156, 314715), (180, 272753), (195, 251772), (234, 209810), (260, 188829), (390, 125886), (468, 104905), (585, 83924), (780, 62943), (1170, 41962), (2340, 20981)]