81472560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26113}}^1$

素因数の和:26142

約数の個数: 80

約数和(自身を含む): 272003424

約数和(自身を除く): 190530864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 26113, 52226, 78339, 104452, 130565, 156678, 208904, 261130, 313356, 339469, 391695, 417808, 522260, 626712, 678938, 783390, 1018407, 1044520, 1253424, 1357876, 1566780, 1697345, 2036814, 2089040, 2715752, 3133560, 3394690, 4073628, 5092035, 5431504, 6267120, 6789380, 8147256, 10184070, 13578760, 16294512, 20368140, 27157520, 40736280, 81472560]

約数ペア:

[(1, 81472560), (2, 40736280), (3, 27157520), (4, 20368140), (5, 16294512), (6, 13578760), (8, 10184070), (10, 8147256), (12, 6789380), (13, 6267120), (15, 5431504), (16, 5092035), (20, 4073628), (24, 3394690), (26, 3133560), (30, 2715752), (39, 2089040), (40, 2036814), (48, 1697345), (52, 1566780), (60, 1357876), (65, 1253424), (78, 1044520), (80, 1018407), (104, 783390), (120, 678938), (130, 626712), (156, 522260), (195, 417808), (208, 391695), (240, 339469), (260, 313356), (312, 261130), (390, 208904), (520, 156678), (624, 130565), (780, 104452), (1040, 78339), (1560, 52226), (3120, 26113)]