257820480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{89521}}^1$

素因数の和:89544

約数の個数: 84

約数和(自身を含む): 886804932

約数和(自身を除く): 628984452

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 89521, 179042, 268563, 358084, 447605, 537126, 716168, 805689, 895210, 1074252, 1342815, 1432336, 1611378, 1790420, 2148504, 2685630, 2864672, 3222756, 3580840, 4028445, 4297008, 5371260, 5729344, 6445512, 7161680, 8056890, 8594016, 10742520, 12891024, 14323360, 16113780, 17188032, 21485040, 25782048, 28646720, 32227560, 42970080, 51564096, 64455120, 85940160, 128910240, 257820480]

約数ペア:

[(1, 257820480), (2, 128910240), (3, 85940160), (4, 64455120), (5, 51564096), (6, 42970080), (8, 32227560), (9, 28646720), (10, 25782048), (12, 21485040), (15, 17188032), (16, 16113780), (18, 14323360), (20, 12891024), (24, 10742520), (30, 8594016), (32, 8056890), (36, 7161680), (40, 6445512), (45, 5729344), (48, 5371260), (60, 4297008), (64, 4028445), (72, 3580840), (80, 3222756), (90, 2864672), (96, 2685630), (120, 2148504), (144, 1790420), (160, 1611378), (180, 1432336), (192, 1342815), (240, 1074252), (288, 895210), (320, 805689), (360, 716168), (480, 537126), (576, 447605), (720, 358084), (960, 268563), (1440, 179042), (2880, 89521)]