1031281920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{89521}}^1$

素因数の和:89548

約数の個数: 108

約数和(自身を含む): 3568167876

約数和(自身を除く): 2536885956

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, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 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, 11458688, 12891024, 14323360, 16113780, 17188032, 21485040, 22917376, 25782048, 28646720, 32227560, 34376064, 42970080, 51564096, 57293440, 64455120, 68752128, 85940160, 103128192, 114586880, 128910240, 171880320, 206256384, 257820480, 343760640, 515640960, 1031281920]

約数ペア:

[(1, 1031281920), (2, 515640960), (3, 343760640), (4, 257820480), (5, 206256384), (6, 171880320), (8, 128910240), (9, 114586880), (10, 103128192), (12, 85940160), (15, 68752128), (16, 64455120), (18, 57293440), (20, 51564096), (24, 42970080), (30, 34376064), (32, 32227560), (36, 28646720), (40, 25782048), (45, 22917376), (48, 21485040), (60, 17188032), (64, 16113780), (72, 14323360), (80, 12891024), (90, 11458688), (96, 10742520), (120, 8594016), (128, 8056890), (144, 7161680), (160, 6445512), (180, 5729344), (192, 5371260), (240, 4297008), (256, 4028445), (288, 3580840), (320, 3222756), (360, 2864672), (384, 2685630), (480, 2148504), (576, 1790420), (640, 1611378), (720, 1432336), (768, 1342815), (960, 1074252), (1152, 895210), (1280, 805689), (1440, 716168), (1920, 537126), (2304, 447605), (2880, 358084), (3840, 268563), (5760, 179042), (11520, 89521)]