15906420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4651}}^1$

素因数の和:4685

約数の個数: 72

約数和(自身を含む): 50799840

約数和(自身を除く): 34893420

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, 4651, 9302, 13953, 18604, 23255, 27906, 41859, 46510, 55812, 69765, 83718, 88369, 93020, 139530, 167436, 176738, 209295, 265107, 279060, 353476, 418590, 441845, 530214, 795321, 837180, 883690, 1060428, 1325535, 1590642, 1767380, 2651070, 3181284, 3976605, 5302140, 7953210, 15906420]

約数ペア:

[(1, 15906420), (2, 7953210), (3, 5302140), (4, 3976605), (5, 3181284), (6, 2651070), (9, 1767380), (10, 1590642), (12, 1325535), (15, 1060428), (18, 883690), (19, 837180), (20, 795321), (30, 530214), (36, 441845), (38, 418590), (45, 353476), (57, 279060), (60, 265107), (76, 209295), (90, 176738), (95, 167436), (114, 139530), (171, 93020), (180, 88369), (190, 83718), (228, 69765), (285, 55812), (342, 46510), (380, 41859), (570, 27906), (684, 23255), (855, 18604), (1140, 13953), (1710, 9302), (3420, 4651)]