6984920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 16727040

約数和(自身を除く): 9742120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 131, 155, 172, 215, 248, 262, 310, 344, 430, 524, 620, 655, 860, 1048, 1240, 1310, 1333, 1720, 2620, 2666, 4061, 5240, 5332, 5633, 6665, 8122, 10664, 11266, 13330, 16244, 20305, 22532, 26660, 28165, 32488, 40610, 45064, 53320, 56330, 81220, 112660, 162440, 174623, 225320, 349246, 698492, 873115, 1396984, 1746230, 3492460, 6984920]

約数ペア:

[(1, 6984920), (2, 3492460), (4, 1746230), (5, 1396984), (8, 873115), (10, 698492), (20, 349246), (31, 225320), (40, 174623), (43, 162440), (62, 112660), (86, 81220), (124, 56330), (131, 53320), (155, 45064), (172, 40610), (215, 32488), (248, 28165), (262, 26660), (310, 22532), (344, 20305), (430, 16244), (524, 13330), (620, 11266), (655, 10664), (860, 8122), (1048, 6665), (1240, 5633), (1310, 5332), (1333, 5240), (1720, 4061), (2620, 2666)]