28785720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2473}}^1$

素因数の和:2584

約数の個数: 64

約数和(自身を含む): 87282720

約数和(自身を除く): 58497000

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, 1940, 2328, 2473, 2910, 3880, 4946, 5820, 7419, 9892, 11640, 12365, 14838, 19784, 24730, 29676, 37095, 49460, 59352, 74190, 98920, 148380, 239881, 296760, 479762, 719643, 959524, 1199405, 1439286, 1919048, 2398810, 2878572, 3598215, 4797620, 5757144, 7196430, 9595240, 14392860, 28785720]

約数ペア:

[(1, 28785720), (2, 14392860), (3, 9595240), (4, 7196430), (5, 5757144), (6, 4797620), (8, 3598215), (10, 2878572), (12, 2398810), (15, 1919048), (20, 1439286), (24, 1199405), (30, 959524), (40, 719643), (60, 479762), (97, 296760), (120, 239881), (194, 148380), (291, 98920), (388, 74190), (485, 59352), (582, 49460), (776, 37095), (970, 29676), (1164, 24730), (1455, 19784), (1940, 14838), (2328, 12365), (2473, 11640), (2910, 9892), (3880, 7419), (4946, 5820)]