15208740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4481

約数の個数: 72

約数和(自身を含む): 48572160

約数和(自身を除く): 33363420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 4447, 8894, 13341, 17788, 22235, 26682, 40023, 44470, 53364, 66705, 80046, 84493, 88940, 133410, 160092, 168986, 200115, 253479, 266820, 337972, 400230, 422465, 506958, 760437, 800460, 844930, 1013916, 1267395, 1520874, 1689860, 2534790, 3041748, 3802185, 5069580, 7604370, 15208740]

約数ペア:

[(1, 15208740), (2, 7604370), (3, 5069580), (4, 3802185), (5, 3041748), (6, 2534790), (9, 1689860), (10, 1520874), (12, 1267395), (15, 1013916), (18, 844930), (19, 800460), (20, 760437), (30, 506958), (36, 422465), (38, 400230), (45, 337972), (57, 266820), (60, 253479), (76, 200115), (90, 168986), (95, 160092), (114, 133410), (171, 88940), (180, 84493), (190, 80046), (228, 66705), (285, 53364), (342, 44470), (380, 40023), (570, 26682), (684, 22235), (855, 17788), (1140, 13341), (1710, 8894), (3420, 4447)]