17960520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1543}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 54472320

約数和(自身を除く): 36511800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1543, 1940, 2328, 2910, 3086, 3880, 4629, 5820, 6172, 7715, 9258, 11640, 12344, 15430, 18516, 23145, 30860, 37032, 46290, 61720, 92580, 149671, 185160, 299342, 449013, 598684, 748355, 898026, 1197368, 1496710, 1796052, 2245065, 2993420, 3592104, 4490130, 5986840, 8980260, 17960520]

約数ペア:

[(1, 17960520), (2, 8980260), (3, 5986840), (4, 4490130), (5, 3592104), (6, 2993420), (8, 2245065), (10, 1796052), (12, 1496710), (15, 1197368), (20, 898026), (24, 748355), (30, 598684), (40, 449013), (60, 299342), (97, 185160), (120, 149671), (194, 92580), (291, 61720), (388, 46290), (485, 37032), (582, 30860), (776, 23145), (970, 18516), (1164, 15430), (1455, 12344), (1543, 11640), (1940, 9258), (2328, 7715), (2910, 6172), (3086, 5820), (3880, 4629)]