251346720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{523639}}^1$

素因数の和:523657

約数の個数: 48

約数和(自身を含む): 791743680

約数和(自身を除く): 540396960

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, 523639, 1047278, 1570917, 2094556, 2618195, 3141834, 4189112, 5236390, 6283668, 7854585, 8378224, 10472780, 12567336, 15709170, 16756448, 20945560, 25134672, 31418340, 41891120, 50269344, 62836680, 83782240, 125673360, 251346720]

約数ペア:

[(1, 251346720), (2, 125673360), (3, 83782240), (4, 62836680), (5, 50269344), (6, 41891120), (8, 31418340), (10, 25134672), (12, 20945560), (15, 16756448), (16, 15709170), (20, 12567336), (24, 10472780), (30, 8378224), (32, 7854585), (40, 6283668), (48, 5236390), (60, 4189112), (80, 3141834), (96, 2618195), (120, 2094556), (160, 1570917), (240, 1047278), (480, 523639)]