257124960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{178559}}^1$

素因数の和:178580

約数の個数: 72

約数和(自身を含む): 877443840

約数和(自身を除く): 620318880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 178559, 357118, 535677, 714236, 892795, 1071354, 1428472, 1607031, 1785590, 2142708, 2678385, 2856944, 3214062, 3571180, 4285416, 5356770, 5713888, 6428124, 7142360, 8035155, 8570832, 10713540, 12856248, 14284720, 16070310, 17141664, 21427080, 25712496, 28569440, 32140620, 42854160, 51424992, 64281240, 85708320, 128562480, 257124960]

約数ペア:

[(1, 257124960), (2, 128562480), (3, 85708320), (4, 64281240), (5, 51424992), (6, 42854160), (8, 32140620), (9, 28569440), (10, 25712496), (12, 21427080), (15, 17141664), (16, 16070310), (18, 14284720), (20, 12856248), (24, 10713540), (30, 8570832), (32, 8035155), (36, 7142360), (40, 6428124), (45, 5713888), (48, 5356770), (60, 4285416), (72, 3571180), (80, 3214062), (90, 2856944), (96, 2678385), (120, 2142708), (144, 1785590), (160, 1607031), (180, 1428472), (240, 1071354), (288, 892795), (360, 714236), (480, 535677), (720, 357118), (1440, 178559)]