47391720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{394931}}^1$

素因数の和:394945

約数の個数: 32

約数和(自身を含む): 142175520

約数和(自身を除く): 94783800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 394931, 789862, 1184793, 1579724, 1974655, 2369586, 3159448, 3949310, 4739172, 5923965, 7898620, 9478344, 11847930, 15797240, 23695860, 47391720]

約数ペア:

[(1, 47391720), (2, 23695860), (3, 15797240), (4, 11847930), (5, 9478344), (6, 7898620), (8, 5923965), (10, 4739172), (12, 3949310), (15, 3159448), (20, 2369586), (24, 1974655), (30, 1579724), (40, 1184793), (60, 789862), (120, 394931)]