259026720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{539639}}^1$

素因数の和:539657

約数の個数: 48

約数和(自身を含む): 815935680

約数和(自身を除く): 556908960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 539639, 1079278, 1618917, 2158556, 2698195, 3237834, 4317112, 5396390, 6475668, 8094585, 8634224, 10792780, 12951336, 16189170, 17268448, 21585560, 25902672, 32378340, 43171120, 51805344, 64756680, 86342240, 129513360, 259026720]

約数ペア:

[(1, 259026720), (2, 129513360), (3, 86342240), (4, 64756680), (5, 51805344), (6, 43171120), (8, 32378340), (10, 25902672), (12, 21585560), (15, 17268448), (16, 16189170), (20, 12951336), (24, 10792780), (30, 8634224), (32, 8094585), (40, 6475668), (48, 5396390), (60, 4317112), (80, 3237834), (96, 2698195), (120, 2158556), (160, 1618917), (240, 1079278), (480, 539639)]