128979180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65141}}^1$

素因数の和:65167

約数の個数: 72

約数和(自身を含む): 426810384

約数和(自身を除く): 297831204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 65141, 130282, 195423, 260564, 325705, 390846, 586269, 651410, 716551, 781692, 977115, 1172538, 1302820, 1433102, 1954230, 2149653, 2345076, 2866204, 2931345, 3582755, 3908460, 4299306, 5862690, 6448959, 7165510, 8598612, 10748265, 11725380, 12897918, 14331020, 21496530, 25795836, 32244795, 42993060, 64489590, 128979180]

約数ペア:

[(1, 128979180), (2, 64489590), (3, 42993060), (4, 32244795), (5, 25795836), (6, 21496530), (9, 14331020), (10, 12897918), (11, 11725380), (12, 10748265), (15, 8598612), (18, 7165510), (20, 6448959), (22, 5862690), (30, 4299306), (33, 3908460), (36, 3582755), (44, 2931345), (45, 2866204), (55, 2345076), (60, 2149653), (66, 1954230), (90, 1433102), (99, 1302820), (110, 1172538), (132, 977115), (165, 781692), (180, 716551), (198, 651410), (220, 586269), (330, 390846), (396, 325705), (495, 260564), (660, 195423), (990, 130282), (1980, 65141)]