420378240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{218947}}^1$

素因数の和:218969

約数の個数: 64

約数和(自身を含む): 1339961760

約数和(自身を除く): 919583520

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, 320, 384, 480, 640, 960, 1920, 218947, 437894, 656841, 875788, 1094735, 1313682, 1751576, 2189470, 2627364, 3284205, 3503152, 4378940, 5254728, 6568410, 7006304, 8757880, 10509456, 13136820, 14012608, 17515760, 21018912, 26273640, 28025216, 35031520, 42037824, 52547280, 70063040, 84075648, 105094560, 140126080, 210189120, 420378240]

約数ペア:

[(1, 420378240), (2, 210189120), (3, 140126080), (4, 105094560), (5, 84075648), (6, 70063040), (8, 52547280), (10, 42037824), (12, 35031520), (15, 28025216), (16, 26273640), (20, 21018912), (24, 17515760), (30, 14012608), (32, 13136820), (40, 10509456), (48, 8757880), (60, 7006304), (64, 6568410), (80, 5254728), (96, 4378940), (120, 3503152), (128, 3284205), (160, 2627364), (192, 2189470), (240, 1751576), (320, 1313682), (384, 1094735), (480, 875788), (640, 656841), (960, 437894), (1920, 218947)]