256549380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251519}}^1$

素因数の和:251548

約数の個数: 48

約数和(自身を含む): 760596480

約数和(自身を除く): 504047100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 251519, 503038, 754557, 1006076, 1257595, 1509114, 2515190, 3018228, 3772785, 4275823, 5030380, 7545570, 8551646, 12827469, 15091140, 17103292, 21379115, 25654938, 42758230, 51309876, 64137345, 85516460, 128274690, 256549380]

約数ペア:

[(1, 256549380), (2, 128274690), (3, 85516460), (4, 64137345), (5, 51309876), (6, 42758230), (10, 25654938), (12, 21379115), (15, 17103292), (17, 15091140), (20, 12827469), (30, 8551646), (34, 7545570), (51, 5030380), (60, 4275823), (68, 3772785), (85, 3018228), (102, 2515190), (170, 1509114), (204, 1257595), (255, 1006076), (340, 754557), (510, 503038), (1020, 251519)]