128876280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82613}}^1$

素因数の和:82640

約数の個数: 64

約数和(自身を含む): 416374560

約数和(自身を除く): 287498280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 82613, 165226, 247839, 330452, 413065, 495678, 660904, 826130, 991356, 1073969, 1239195, 1652260, 1982712, 2147938, 2478390, 3221907, 3304520, 4295876, 4956780, 5369845, 6443814, 8591752, 9913560, 10739690, 12887628, 16109535, 21479380, 25775256, 32219070, 42958760, 64438140, 128876280]

約数ペア:

[(1, 128876280), (2, 64438140), (3, 42958760), (4, 32219070), (5, 25775256), (6, 21479380), (8, 16109535), (10, 12887628), (12, 10739690), (13, 9913560), (15, 8591752), (20, 6443814), (24, 5369845), (26, 4956780), (30, 4295876), (39, 3304520), (40, 3221907), (52, 2478390), (60, 2147938), (65, 1982712), (78, 1652260), (104, 1239195), (120, 1073969), (130, 991356), (156, 826130), (195, 660904), (260, 495678), (312, 413065), (390, 330452), (520, 247839), (780, 165226), (1560, 82613)]