256475280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14639}}^1$

素因数の和:14728

約数の個数: 80

約数和(自身を含む): 806019840

約数和(自身を除く): 549544560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 5840, 8760, 14639, 17520, 29278, 43917, 58556, 73195, 87834, 117112, 146390, 175668, 219585, 234224, 292780, 351336, 439170, 585560, 702672, 878340, 1068647, 1171120, 1756680, 2137294, 3205941, 3513360, 4274588, 5343235, 6411882, 8549176, 10686470, 12823764, 16029705, 17098352, 21372940, 25647528, 32059410, 42745880, 51295056, 64118820, 85491760, 128237640, 256475280]

約数ペア:

[(1, 256475280), (2, 128237640), (3, 85491760), (4, 64118820), (5, 51295056), (6, 42745880), (8, 32059410), (10, 25647528), (12, 21372940), (15, 17098352), (16, 16029705), (20, 12823764), (24, 10686470), (30, 8549176), (40, 6411882), (48, 5343235), (60, 4274588), (73, 3513360), (80, 3205941), (120, 2137294), (146, 1756680), (219, 1171120), (240, 1068647), (292, 878340), (365, 702672), (438, 585560), (584, 439170), (730, 351336), (876, 292780), (1095, 234224), (1168, 219585), (1460, 175668), (1752, 146390), (2190, 117112), (2920, 87834), (3504, 73195), (4380, 58556), (5840, 43917), (8760, 29278), (14639, 17520)]