40621440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{21157}}^1$

素因数の和:21179

約数の個数: 64

約数和(自身を含む): 129486960

約数和(自身を除く): 88865520

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, 21157, 42314, 63471, 84628, 105785, 126942, 169256, 211570, 253884, 317355, 338512, 423140, 507768, 634710, 677024, 846280, 1015536, 1269420, 1354048, 1692560, 2031072, 2538840, 2708096, 3385120, 4062144, 5077680, 6770240, 8124288, 10155360, 13540480, 20310720, 40621440]

約数ペア:

[(1, 40621440), (2, 20310720), (3, 13540480), (4, 10155360), (5, 8124288), (6, 6770240), (8, 5077680), (10, 4062144), (12, 3385120), (15, 2708096), (16, 2538840), (20, 2031072), (24, 1692560), (30, 1354048), (32, 1269420), (40, 1015536), (48, 846280), (60, 677024), (64, 634710), (80, 507768), (96, 423140), (120, 338512), (128, 317355), (160, 253884), (192, 211570), (240, 169256), (320, 126942), (384, 105785), (480, 84628), (640, 63471), (960, 42314), (1920, 21157)]