19948800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{1039}}^1$

素因数の和:1068

約数の個数: 108

約数和(自身を含む): 65898560

約数和(自身を除く): 45949760

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, 1039, 1200, 1280, 1600, 1920, 2078, 2400, 3117, 3200, 3840, 4156, 4800, 5195, 6234, 6400, 8312, 9600, 10390, 12468, 15585, 16624, 19200, 20780, 24936, 25975, 31170, 33248, 41560, 49872, 51950, 62340, 66496, 77925, 83120, 99744, 103900, 124680, 132992, 155850, 166240, 199488, 207800, 249360, 265984, 311700, 332480, 398976, 415600, 498720, 623400, 664960, 797952, 831200, 997440, 1246800, 1329920, 1662400, 1994880, 2493600, 3324800, 3989760, 4987200, 6649600, 9974400, 19948800]

約数ペア:

[(1, 19948800), (2, 9974400), (3, 6649600), (4, 4987200), (5, 3989760), (6, 3324800), (8, 2493600), (10, 1994880), (12, 1662400), (15, 1329920), (16, 1246800), (20, 997440), (24, 831200), (25, 797952), (30, 664960), (32, 623400), (40, 498720), (48, 415600), (50, 398976), (60, 332480), (64, 311700), (75, 265984), (80, 249360), (96, 207800), (100, 199488), (120, 166240), (128, 155850), (150, 132992), (160, 124680), (192, 103900), (200, 99744), (240, 83120), (256, 77925), (300, 66496), (320, 62340), (384, 51950), (400, 49872), (480, 41560), (600, 33248), (640, 31170), (768, 25975), (800, 24936), (960, 20780), (1039, 19200), (1200, 16624), (1280, 15585), (1600, 12468), (1920, 10390), (2078, 9600), (2400, 8312), (3117, 6400), (3200, 6234), (3840, 5195), (4156, 4800)]