13379220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 40884480

約数和(自身を除く): 27505260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 311, 478, 622, 717, 933, 956, 1195, 1244, 1434, 1555, 1866, 2151, 2390, 2799, 2868, 3110, 3585, 3732, 4302, 4665, 4780, 5598, 6220, 7170, 8604, 9330, 10755, 11196, 13995, 14340, 18660, 21510, 27990, 43020, 55980, 74329, 148658, 222987, 297316, 371645, 445974, 668961, 743290, 891948, 1114935, 1337922, 1486580, 2229870, 2675844, 3344805, 4459740, 6689610, 13379220]

約数ペア:

[(1, 13379220), (2, 6689610), (3, 4459740), (4, 3344805), (5, 2675844), (6, 2229870), (9, 1486580), (10, 1337922), (12, 1114935), (15, 891948), (18, 743290), (20, 668961), (30, 445974), (36, 371645), (45, 297316), (60, 222987), (90, 148658), (180, 74329), (239, 55980), (311, 43020), (478, 27990), (622, 21510), (717, 18660), (933, 14340), (956, 13995), (1195, 11196), (1244, 10755), (1434, 9330), (1555, 8604), (1866, 7170), (2151, 6220), (2390, 5598), (2799, 4780), (2868, 4665), (3110, 4302), (3585, 3732)]