1276972800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{66509}}^1$

素因数の和:66538

約数の個数: 108

約数和(自身を含む): 4214339640

約数和(自身を除く): 2937366840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 600, 640, 768, 800, 960, 1200, 1280, 1600, 1920, 2400, 3200, 3840, 4800, 6400, 9600, 19200, 66509, 133018, 199527, 266036, 332545, 399054, 532072, 665090, 798108, 997635, 1064144, 1330180, 1596216, 1662725, 1995270, 2128288, 2660360, 3192432, 3325450, 3990540, 4256576, 4988175, 5320720, 6384864, 6650900, 7981080, 8513152, 9976350, 10641440, 12769728, 13301800, 15962160, 17026304, 19952700, 21282880, 25539456, 26603600, 31924320, 39905400, 42565760, 51078912, 53207200, 63848640, 79810800, 85131520, 106414400, 127697280, 159621600, 212828800, 255394560, 319243200, 425657600, 638486400, 1276972800]

約数ペア:

[(1, 1276972800), (2, 638486400), (3, 425657600), (4, 319243200), (5, 255394560), (6, 212828800), (8, 159621600), (10, 127697280), (12, 106414400), (15, 85131520), (16, 79810800), (20, 63848640), (24, 53207200), (25, 51078912), (30, 42565760), (32, 39905400), (40, 31924320), (48, 26603600), (50, 25539456), (60, 21282880), (64, 19952700), (75, 17026304), (80, 15962160), (96, 13301800), (100, 12769728), (120, 10641440), (128, 9976350), (150, 8513152), (160, 7981080), (192, 6650900), (200, 6384864), (240, 5320720), (256, 4988175), (300, 4256576), (320, 3990540), (384, 3325450), (400, 3192432), (480, 2660360), (600, 2128288), (640, 1995270), (768, 1662725), (800, 1596216), (960, 1330180), (1200, 1064144), (1280, 997635), (1600, 798108), (1920, 665090), (2400, 532072), (3200, 399054), (3840, 332545), (4800, 266036), (6400, 199527), (9600, 133018), (19200, 66509)]