7817220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 23960664

約数和(自身を除く): 16143444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 317, 411, 548, 634, 685, 822, 951, 1233, 1268, 1370, 1585, 1644, 1902, 2055, 2466, 2740, 2853, 3170, 3804, 4110, 4755, 4932, 5706, 6165, 6340, 8220, 9510, 11412, 12330, 14265, 19020, 24660, 28530, 43429, 57060, 86858, 130287, 173716, 217145, 260574, 390861, 434290, 521148, 651435, 781722, 868580, 1302870, 1563444, 1954305, 2605740, 3908610, 7817220]

約数ペア:

[(1, 7817220), (2, 3908610), (3, 2605740), (4, 1954305), (5, 1563444), (6, 1302870), (9, 868580), (10, 781722), (12, 651435), (15, 521148), (18, 434290), (20, 390861), (30, 260574), (36, 217145), (45, 173716), (60, 130287), (90, 86858), (137, 57060), (180, 43429), (274, 28530), (317, 24660), (411, 19020), (548, 14265), (634, 12330), (685, 11412), (822, 9510), (951, 8220), (1233, 6340), (1268, 6165), (1370, 5706), (1585, 4932), (1644, 4755), (1902, 4110), (2055, 3804), (2466, 3170), (2740, 2853)]