1020025280

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:646

約数の個数: 112

約数和(自身を含む): 2498506560

約数和(自身を除く): 1478481280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 137, 160, 212, 265, 274, 320, 424, 439, 530, 548, 685, 848, 878, 1060, 1096, 1370, 1696, 1756, 2120, 2192, 2195, 2740, 3392, 3512, 4240, 4384, 4390, 5480, 7024, 7261, 8480, 8768, 8780, 10960, 14048, 14522, 16960, 17560, 21920, 23267, 28096, 29044, 35120, 36305, 43840, 46534, 58088, 60143, 70240, 72610, 93068, 116176, 116335, 120286, 140480, 145220, 186136, 232352, 232670, 240572, 290440, 300715, 372272, 464704, 465340, 481144, 580880, 601430, 744544, 930680, 962288, 1161760, 1202860, 1489088, 1861360, 1924576, 2323520, 2405720, 3187579, 3722720, 3849152, 4811440, 6375158, 7445440, 9622880, 12750316, 15937895, 19245760, 25500632, 31875790, 51001264, 63751580, 102002528, 127503160, 204005056, 255006320, 510012640, 1020025280]

約数ペア:

[(1, 1020025280), (2, 510012640), (4, 255006320), (5, 204005056), (8, 127503160), (10, 102002528), (16, 63751580), (20, 51001264), (32, 31875790), (40, 25500632), (53, 19245760), (64, 15937895), (80, 12750316), (106, 9622880), (137, 7445440), (160, 6375158), (212, 4811440), (265, 3849152), (274, 3722720), (320, 3187579), (424, 2405720), (439, 2323520), (530, 1924576), (548, 1861360), (685, 1489088), (848, 1202860), (878, 1161760), (1060, 962288), (1096, 930680), (1370, 744544), (1696, 601430), (1756, 580880), (2120, 481144), (2192, 465340), (2195, 464704), (2740, 372272), (3392, 300715), (3512, 290440), (4240, 240572), (4384, 232670), (4390, 232352), (5480, 186136), (7024, 145220), (7261, 140480), (8480, 120286), (8768, 116335), (8780, 116176), (10960, 93068), (14048, 72610), (14522, 70240), (16960, 60143), (17560, 58088), (21920, 46534), (23267, 43840), (28096, 36305), (29044, 35120)]