15381240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{18311}}^1$

素因数の和:18332

約数の個数: 64

約数和(自身を含む): 52738560

約数和(自身を除く): 37357320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 18311, 36622, 54933, 73244, 91555, 109866, 128177, 146488, 183110, 219732, 256354, 274665, 366220, 384531, 439464, 512708, 549330, 640885, 732440, 769062, 1025416, 1098660, 1281770, 1538124, 1922655, 2197320, 2563540, 3076248, 3845310, 5127080, 7690620, 15381240]

約数ペア:

[(1, 15381240), (2, 7690620), (3, 5127080), (4, 3845310), (5, 3076248), (6, 2563540), (7, 2197320), (8, 1922655), (10, 1538124), (12, 1281770), (14, 1098660), (15, 1025416), (20, 769062), (21, 732440), (24, 640885), (28, 549330), (30, 512708), (35, 439464), (40, 384531), (42, 366220), (56, 274665), (60, 256354), (70, 219732), (84, 183110), (105, 146488), (120, 128177), (140, 109866), (168, 91555), (210, 73244), (280, 54933), (420, 36622), (840, 18311)]