820250790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{17789}}^1$

素因数の和:17881

約数の個数: 64

約数和(自身を含む): 2075025600

約数和(自身を除く): 1254774810

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 53, 58, 87, 106, 145, 159, 174, 265, 290, 318, 435, 530, 795, 870, 1537, 1590, 3074, 4611, 7685, 9222, 15370, 17789, 23055, 35578, 46110, 53367, 88945, 106734, 177890, 266835, 515881, 533670, 942817, 1031762, 1547643, 1885634, 2579405, 2828451, 3095286, 4714085, 5158810, 5656902, 7738215, 9428170, 14142255, 15476430, 27341693, 28284510, 54683386, 82025079, 136708465, 164050158, 273416930, 410125395, 820250790]

約数ペア:

[(1, 820250790), (2, 410125395), (3, 273416930), (5, 164050158), (6, 136708465), (10, 82025079), (15, 54683386), (29, 28284510), (30, 27341693), (53, 15476430), (58, 14142255), (87, 9428170), (106, 7738215), (145, 5656902), (159, 5158810), (174, 4714085), (265, 3095286), (290, 2828451), (318, 2579405), (435, 1885634), (530, 1547643), (795, 1031762), (870, 942817), (1537, 533670), (1590, 515881), (3074, 266835), (4611, 177890), (7685, 106734), (9222, 88945), (15370, 53367), (17789, 46110), (23055, 35578)]