561720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 1751040

約数和(自身を除く): 1189320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 151, 155, 186, 248, 302, 310, 372, 453, 465, 604, 620, 744, 755, 906, 930, 1208, 1240, 1510, 1812, 1860, 2265, 3020, 3624, 3720, 4530, 4681, 6040, 9060, 9362, 14043, 18120, 18724, 23405, 28086, 37448, 46810, 56172, 70215, 93620, 112344, 140430, 187240, 280860, 561720]

約数ペア:

[(1, 561720), (2, 280860), (3, 187240), (4, 140430), (5, 112344), (6, 93620), (8, 70215), (10, 56172), (12, 46810), (15, 37448), (20, 28086), (24, 23405), (30, 18724), (31, 18120), (40, 14043), (60, 9362), (62, 9060), (93, 6040), (120, 4681), (124, 4530), (151, 3720), (155, 3624), (186, 3020), (248, 2265), (302, 1860), (310, 1812), (372, 1510), (453, 1240), (465, 1208), (604, 930), (620, 906), (744, 755)]