78309120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20393}}^1$

素因数の和:20417

約数の個数: 72

約数和(自身を含む): 250112016

約数和(自身を除く): 171802896

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, 20393, 40786, 61179, 81572, 101965, 122358, 163144, 203930, 244716, 305895, 326288, 407860, 489432, 611790, 652576, 815720, 978864, 1223580, 1305152, 1631440, 1957728, 2447160, 2610304, 3262880, 3915456, 4894320, 5220608, 6525760, 7830912, 9788640, 13051520, 15661824, 19577280, 26103040, 39154560, 78309120]

約数ペア:

[(1, 78309120), (2, 39154560), (3, 26103040), (4, 19577280), (5, 15661824), (6, 13051520), (8, 9788640), (10, 7830912), (12, 6525760), (15, 5220608), (16, 4894320), (20, 3915456), (24, 3262880), (30, 2610304), (32, 2447160), (40, 1957728), (48, 1631440), (60, 1305152), (64, 1223580), (80, 978864), (96, 815720), (120, 652576), (128, 611790), (160, 489432), (192, 407860), (240, 326288), (256, 305895), (320, 244716), (384, 203930), (480, 163144), (640, 122358), (768, 101965), (960, 81572), (1280, 61179), (1920, 40786), (3840, 20393)]