78362880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20407}}^1$

素因数の和:20431

約数の個数: 72

約数和(自身を含む): 250283712

約数和(自身を除く): 171920832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 20407, 40814, 61221, 81628, 102035, 122442, 163256, 204070, 244884, 306105, 326512, 408140, 489768, 612210, 653024, 816280, 979536, 1224420, 1306048, 1632560, 1959072, 2448840, 2612096, 3265120, 3918144, 4897680, 5224192, 6530240, 7836288, 9795360, 13060480, 15672576, 19590720, 26120960, 39181440, 78362880]

約数ペア:

[(1, 78362880), (2, 39181440), (3, 26120960), (4, 19590720), (5, 15672576), (6, 13060480), (8, 9795360), (10, 7836288), (12, 6530240), (15, 5224192), (16, 4897680), (20, 3918144), (24, 3265120), (30, 2612096), (32, 2448840), (40, 1959072), (48, 1632560), (60, 1306048), (64, 1224420), (80, 979536), (96, 816280), (120, 653024), (128, 612210), (160, 489768), (192, 408140), (240, 326512), (256, 306105), (320, 244884), (384, 204070), (480, 163256), (640, 122442), (768, 102035), (960, 81628), (1280, 61221), (1920, 40814), (3840, 20407)]