121719900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{631}}^1\times {\mathrm{643}}^1$

素因数の和:1291

約数の個数: 72

約数和(自身を含む): 353282944

約数和(自身を除く): 231563044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 631, 643, 1262, 1286, 1893, 1929, 2524, 2572, 3155, 3215, 3786, 3858, 6310, 6430, 7572, 7716, 9465, 9645, 12620, 12860, 15775, 16075, 18930, 19290, 31550, 32150, 37860, 38580, 47325, 48225, 63100, 64300, 94650, 96450, 189300, 192900, 405733, 811466, 1217199, 1622932, 2028665, 2434398, 4057330, 4868796, 6085995, 8114660, 10143325, 12171990, 20286650, 24343980, 30429975, 40573300, 60859950, 121719900]

約数ペア:

[(1, 121719900), (2, 60859950), (3, 40573300), (4, 30429975), (5, 24343980), (6, 20286650), (10, 12171990), (12, 10143325), (15, 8114660), (20, 6085995), (25, 4868796), (30, 4057330), (50, 2434398), (60, 2028665), (75, 1622932), (100, 1217199), (150, 811466), (300, 405733), (631, 192900), (643, 189300), (1262, 96450), (1286, 94650), (1893, 64300), (1929, 63100), (2524, 48225), (2572, 47325), (3155, 38580), (3215, 37860), (3786, 32150), (3858, 31550), (6310, 19290), (6430, 18930), (7572, 16075), (7716, 15775), (9465, 12860), (9645, 12620)]