18103080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 54613440

約数和(自身を除く): 36510360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 587, 771, 1028, 1174, 1285, 1542, 1761, 2056, 2348, 2570, 2935, 3084, 3522, 3855, 4696, 5140, 5870, 6168, 7044, 7710, 8805, 10280, 11740, 14088, 15420, 17610, 23480, 30840, 35220, 70440, 150859, 301718, 452577, 603436, 754295, 905154, 1206872, 1508590, 1810308, 2262885, 3017180, 3620616, 4525770, 6034360, 9051540, 18103080]

約数ペア:

[(1, 18103080), (2, 9051540), (3, 6034360), (4, 4525770), (5, 3620616), (6, 3017180), (8, 2262885), (10, 1810308), (12, 1508590), (15, 1206872), (20, 905154), (24, 754295), (30, 603436), (40, 452577), (60, 301718), (120, 150859), (257, 70440), (514, 35220), (587, 30840), (771, 23480), (1028, 17610), (1174, 15420), (1285, 14088), (1542, 11740), (1761, 10280), (2056, 8805), (2348, 7710), (2570, 7044), (2935, 6168), (3084, 5870), (3522, 5140), (3855, 4696)]